{"id":382,"date":"2013-11-01T18:07:51","date_gmt":"2013-11-01T10:07:51","guid":{"rendered":"http:\/\/www.royalwzy.com\/?p=382"},"modified":"2015-09-02T07:33:14","modified_gmt":"2015-09-01T23:33:14","slug":"mysql%e5%ad%a6%e4%b9%a07-mysql5-1%e7%9a%84%e5%ad%98%e5%82%a8%e5%bc%95%e6%93%8e","status":"publish","type":"post","link":"http:\/\/www.royalwzy.com\/?p=382","title":{"rendered":"MySQL\u5b66\u4e607–MySQL5.1\u7684\u5b58\u50a8\u5f15\u64ce"},"content":{"rendered":"
MySql Storage Engines<\/p>\n
    \n
  1. \u5b58\u50a8\u5f15\u64ce\u7684\u6982\u8ff0\n
      \n
    1. MySql\u670d\u52a1\u5668\u7ba1\u7406\u7684\u8868\u90fd\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904:\u6bd4\u5982,\u6570\u636e\u5e93\u4e2d\u6bcf\u4e00\u4e2a\u8868\u5728\u6570\u636e\u5e93\u76ee\u5f55\u90fd\u6709\u4e00\u4e2aformat file(.frm),\u8fd9\u4e2a\u6587\u4ef6\u5b58\u50a8\u7740\u8868\u5b9a\u4e49\u7684\u7ed3\u6784,\u4ed6\u662f\u7531\u670d\u52a1\u5668\u521b\u5efa;<\/li>\n
    2. \u8fd9\u4e9b\u8868\u4e5f\u6709\u4e00\u4e9b\u4e0d\u540c\u4e4b\u5904:\u5c31\u662f\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u5b58\u50a8\u5f15\u64ce\u53bb\u7ba1\u7406\u8868.\u6bcf\u4e2a\u5b58\u50a8\u5f15\u64ce\u90fd\u6709\u4e00\u7cfb\u5217\u7684\u7279\u70b9.\u6bd4\u5982\u6bcf\u4e00\u4e2a\u5f15\u64ce\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u989d\u5916\u7684\u548c.frm\u6587\u4ef6\u76f8\u5bf9\u5e94\u7684\u78c1\u76d8\u6587\u4ef6\u53bb\u7ba1\u7406\u6570\u636e\u548c\u7d22\u5f15\u7684\u5b58\u50a8.\u6bcf\u4e2a\u5b58\u50a8\u5f15\u64ce\u4e5f\u90fd\u4f1a\u6709\u81ea\u5df1\u7684\u7279\u70b9,\u6bd4\u5982\u6709\u7684\u4f1a\u4f7f\u7528\u9501\u53bb\u7ba1\u7406\u67e5\u8be2\u7ade\u4e89,\u6709\u7684\u4f1a\u63d0\u4f9b\u4e8b\u52a1\u800c\u6709\u7684\u6ca1\u6709\u4e8b\u52a1.\u8fd9\u4e9b\u5b58\u50a8\u5f15\u64ce\u5c5e\u6027\u90fd\u5f71\u54cd\u7740\u67e5\u8be2\u7684\u6027\u80fd,\u5e76\u53d1\u548c\u9884\u9632\u6b7b\u9501.<\/li>\n<\/ol>\n<\/li>\n
    3. \u5982\u4f55\u4f7f\u7528CREATE TABLE\u8bed\u53e5\u663e\u5f0f\u6307\u5b9a\u5b58\u50a8\u5f15\u64ce\n
        \n
      1. \u67e5\u770bCREATE TABLE\u7684\u8bed\u6cd5:? CREATE TABLE;<\/li>\n
      2. \u6307\u5b9a\u5b58\u50a8\u5f15\u64ce:CREATE TABLE t (id integer) ENGINE=engine_name;<\/li>\n
      3. \u67e5\u770b\u8868\u4f7f\u7528\u4e86\u54ea\u79cd\u5f15\u64ce:\n
          \n
        1. \u67e5\u8be2\u8868\u7ed3\u6784:show create table table_name \\G;<\/li>\n
        2. \u67e5\u8be2\u8868\u4fe1\u606f:show table status like ‘table_name’ \\G;<\/li>\n
        3. \u67e5\u8be2\u8868\u6240\u5728\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f:show table status from db_name \\G;<\/li>\n
        4. information_schema\u6570\u636e\u5e93\u5b58\u653e\u4e86\u6570\u636e\u5e93\u7684\u67b6\u6784\u4fe1\u606f,\u53ef\u4ee5\u67e5\u8be2tables\u8868\u83b7\u5f97\u8868\u7684\u4fe1\u606f:use information_schema;select * from tables where table_name = ‘table_name’ \\G;<\/li>\n<\/ol>\n<\/li>\n
        5. \u67e5\u770b\u670d\u52a1\u5668\u4e0a\u652f\u6301\u7684\u5b58\u50a8\u5f15\u64ce\n
            \n
          1. show engines;<\/li>\n
          2. show variables like ‘hava%’;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
          3. MyISAM\n
              \n
            1. \u5728\u786c\u76d8\u4e0aMyISAM\u5f15\u64ce\u7528\u4e09\u79cd\u6587\u4ef6\u7ba1\u7406\u8868,\u8fd9\u4e9b\u6587\u4ef6\u90fd\u5728\u6570\u636e\u76ee\u5f55\u4e2d\n
                \n
              1. .frm\u6587\u4ef6:\u5b58\u50a8\u8868\u7ed3\u6784\u7684\u5b9a\u4e49;<\/li>\n
              2. .MYD\u6587\u4ef6:\u5b58\u50a8\u8868\u884c\u7684\u5185\u5bb9;<\/li>\n
              3. .MYI\u6587\u4ef6:\u5b58\u50a8\u8868\u7684\u7d22\u5f15;<\/li>\n<\/ol>\n<\/li>\n
              4. \u5728\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u652f\u6301\u94fe\u63a5\u6587\u4ef6\u7684\u7279\u6027,\u53ef\u4ee5\u628a\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\u5b58\u653e\u5728\u4e0d\u540c\u7684\u78c1\u76d8\u4e0a\u4ee5\u51cf\u5c0fI\/O;\n
                  \n
                1. \u67e5\u770b\u5f53\u524d\u670d\u52a1\u5668\u6307\u5b9a\u7684\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce:show variables like ‘storage_engine’;<\/li>\n
                2. \u901a\u8fc7\u67e5\u770bCREATE TABLE\u7684\u5e2e\u52a9(? CREATE TABLE),\u6211\u4eec\u53ef\u4ee5\u770b\u5230,\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9aDATA DIRECTORY\u548cINDEX DIRECTORY\u9009\u9879\u6765\u628a\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\u5b58\u653e\u5728\u4e0d\u540c\u7684\u76ee\u5f55;\n
                    \n
                  1. \u521b\u5efa\u5b58\u653e\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\u7684\u76ee\u5f55:mkdir -p \/tmp\/mysql\/data \/tmp\/mysql\/index;<\/li>\n
                  2. \u4fee\u6539\u6587\u4ef6\u7684\u6743\u9650:chown -R mysql:mysql \/tmp\/mysql;<\/li>\n
                  3. \u521b\u5efa\u8868,\u5e76\u6307\u5b9a\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\u7684\u76ee\u5f55:CREATE TABLE t (id INTEGER) ENGINE=MyISAM DATA DIRECTORY=’\/tmp\/mysql\/data’ INDEX DIRECTORY=’\/tmp\/mysql\/index’;<\/li>\n
                  4. \u6b64\u65f6\u5c31\u4f1a\u5728\u6570\u636e\u6587\u4ef6\u4e0b\u521b\u5efa\u771f\u6b63\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6\u7684\u94fe\u63a5;<\/li>\n
                  5. \u6709\u6ca1\u6709\u53c2\u6570\u53ef\u4ee5\u6307\u5b9a\u7f3a\u7701\u7684\u76ee\u5f55,\u6bcf\u6b21\u521b\u5efa\u8868\u90fd\u53bb\u6307\u5b9a\u592a\u8d39\u52b2\u4e86\u5427;??????<\/span><\/li>\n
                  6. \u5206\u533a\u8868\u6307\u5b9a\u6570\u636e\u6587\u4ef6\u548c\u7d22\u5f15\u6587\u4ef6;???????<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                  7. MyISAM\u4e0e\u5176\u5b83\u5f15\u64ce\u76f8\u6bd4\u5177\u6709\u6700\u7075\u6d3b\u7684AUTO_INCREMENT COLUMN\u529f\u80fd,\u81ea\u52a8\u589e\u957f\u5217;\n
                      \n
                    1. \u521b\u5efa\u81ea\u52a8\u589e\u957f\u5217:create table t(id integer\u00a0auto_increment<\/b>\u00a0primary key<\/span>, name varchar(50));<\/li>\n
                    2. \u4f7f\u7528\u81ea\u52a8\u589e\u957f\u5217(auto_increment),\u6b64\u5217\u5fc5\u987b\u662f\u4e3b\u952e\u6216\u8005\u662f\u4e3b\u952e\u4e2d\u7684\u4e00\u5217;<\/li>\n
                    3. \u63d2\u5165\u65f6\u53ef\u4ee5\u6307\u5b9aid\u5217\u4e5f\u53ef\u4ee5\u4e0d\u6307\u5b9a,\u5982\u679c\u6307\u5b9a\u7684\u8bdd\u5c31\u63d2\u5165\u6307\u5b9a\u7684\u503c,\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u63d2\u5165\u6bd4\u5f53\u524d\u6700\u5927\u503c\u59271\u7684\u503c,\u5373max(id)+1;<\/li>\n
                    4. \u83b7\u5f97\u4e0a\u6b21\u63d2\u5165\u7684id\u503c\u4f7f\u7528last_insert_id()\u51fd\u6570:select last_insert_id();<\/li>\n
                    5. \u8bbe\u7f6e\u81ea\u52a8\u589e\u957fid\u7684\u521d\u59cb\u503c:alter table table_name auto_increment=n;\u4f46\u662f\u5982\u679c\u8fd9\u662f\u7684n\u5c0f\u4e8emax(id)\u5219\u4e0d\u751f\u6548;<\/li>\n
                    6. \u4e3a\u4e00\u4e2a\u5df2\u5b58\u5728\u7684\u8868\u589e\u52a0\u4e00\u4e2a\u81ea\u589e\u957f\u5217:alter table table_name add column col_name integer auto_increment not null, add primary key(id);<\/li>\n<\/ol>\n<\/li>\n
                    7. \u4e0d\u652f\u6301\u4e8b\u52a1\n
                        \n
                      1. \u67e5\u770b\u81ea\u52a8\u63d0\u4ea4\u4e8b\u52a1\u7684\u9009\u9879:show variables like ‘autocommit’;<\/li>\n
                      2. \u4fee\u6539\u6b64\u9009\u9879:set session autocommit=0|1;<\/li>\n
                      3. \u56e0\u4e3a\u4e0d\u652f\u6301\u4e8b\u52a1,\u6240\u4ee5\u4e0d\u7ba1\u6b64\u9009\u9879\u4e3a\u4f55\u503c,\u90fd\u4e0d\u80fdcommit\u548crollback;<\/li>\n<\/ol>\n<\/li>\n
                      4. \n
                        MyISAM\u7684\u8868\u53ef\u4ee5\u88ab\u8f6c\u6362\u6210\u4e00\u4e2afast,compressed,read-only\u7684\u8868\u4ece\u800c\u8282\u7701\u7a7a\u95f4<\/div>\n
                          \n
                        1. \u4f7f\u7528myisampack\u5de5\u5177:mysqlpack –help;<\/li>\n
                        2. \u8fdb\u5165\u5230\u6570\u636e\u6587\u4ef6\u76ee\u5f55:myisampack table_name; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\"\"<\/li>\n
                        3. \u89c2\u5bdf\u53d1\u73b0\u538b\u7f29\u6bd4\u4f8b\u4e3a90%,\u53ea\u5269\u4e0b10%\u7684\u6570\u636e\u91cf\u5927\u5c0f;\u5bf9\u6307\u5b9aDATA DIRECTORY\u548cINDEX DIRECTORY\u9009\u9879\u7684\u8868\u540c\u6837\u4f7f\u7528,\u4eb2\u6d4b;<\/li>\n
                        4. \u91cd\u542f\u4e4b\u540e\u68c0\u6d4b\u8868(check table table_name)\u5c31\u4f1a\u53d1\u751f\u9519\u8bef,\u8868\u5185\u6570\u636e\u4e22\u5931,\u5bf9\u53ea\u8bfb\u7684\u6027\u80fd\u652f\u4e0d\u597d,\u5982\u679c\u4f7f\u7528\u7684\u8bdd,\u538b\u7f29\u5b8c\u4e4b\u540e\u4e00\u5b9a\u8981\u5907\u4efd;<\/li>\n<\/ol>\n<\/li>\n
                        5. \n
                          MyISAM\u652f\u6301FULLTEXT\u7d22\u5f15\u548cspatial\u6570\u636e\u7c7b\u578b,\u5168\u6587\u7d22\u5f15\u548c\u7a7a\u95f4\u6570\u636e\u7c7b\u578b<\/div>\n
                            \n
                          1. \u5bf9\u5168\u6587\u7d22\u5f15\u652f\u6301\u4e0d\u591f\u597d,\u53ef\u4ee5\u4f7f\u7528instr()\u51fd\u6570\u53bb\u5b9e\u73b0;<\/li>\n
                          2. \u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u7684\u63d2\u4ef6\u53bb\u5b9e\u73b0;<\/li>\n<\/ol>\n<\/li>\n
                          3. MyISAM\u5f15\u64ce\u5bf9\u9501\u7684\u652f\u6301\n
                              \n
                            1. MySql\u7ba1\u7406\u4f7f\u7528MyISAM\u5f15\u64ce\u7684\u8868\u4e4b\u95f4\u7684\u67e5\u8be2\u7ade\u4e89\u4f7f\u7528\u8868\u7ea7\u7684\u9501,\u8fd9\u4f7f\u5f97\u67e5\u8be2\u7684\u6027\u80fd\u975e\u5e38\u5feb,\u591a\u4e2a\u67e5\u8be2\u53ef\u4ee5\u540c\u65f6\u8bbf\u95ee\u4e00\u5f20\u8868.\u5bf9\u4e8e\u5199\u64cd\u4f5c,\u4f1a\u4f7f\u7528\u4e00\u4e2aexclusive\u7684\u8868\u7ea7\u9501\u53bb\u963b\u6b62\u5176\u5b83\u8bfb\u5199\u64cd\u4f5c.\u867d\u7136\u8868\u7ea7\u9501\u4f1a\u5f71\u54cd\u70b9\u6027\u80fd,\u4f46\u662f\u4e0d\u4f1a\u53d1\u751f\u6b7b\u9501;<\/li>\n
                            2. \u663e\u5f0f\u7684\u5bf9\u8868\u52a0\u9501:lock table table_name lock_type; lock tables\u00a0table_name1 lock_type,\u00a0table_name2 lock_type;<\/li>\n
                            3. \u89e3\u9501:unlock tables;<\/li>\n
                            4. \u5982\u679c\u5728session\u4e2d\u52a0write\u9501,\u5219\u672csession\u53ef\u4ee5\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c,\u5176\u5b83\u7684session\u5bf9\u8868\u8fdb\u884c\u8bfb\u548c\u5199\u5c31\u9700\u8981\u7b49\u5f85\u9501\u91ca\u653e;<\/li>\n
                            5. \u5982\u679c\u5728session\u4e2d\u52a0read\u9501,\u5219\u672csession\u548c\u5176\u5b83session\u90fd\u53ef\u4ee5\u8fdb\u884c\u8bfb\u64cd\u4f5c,\u672csession\u65e0\u6cd5\u8fdb\u884c\u5199\u64cd\u4f5c,\u5176\u5b83\u7684session\u5bf9\u8868\u8fdb\u884c\u8bfb\u548c\u5199\u5c31\u9700\u8981\u7b49\u5f85\u9501\u91ca\u653e;<\/li>\n
                            6. \u5982\u679c\u5728session\u4e2d\u52a0read local\u9501,\u5373\u53ea\u9501\u4f4f\u52a0\u9501\u524d\u4e00\u65f6\u523b\u7684\u8868\u7684\u6570\u636e,\u5219\u672csession\u53ef\u4ee5\u8fdb\u884c\u8bfb\u64cd\u4f5c(\u67e5\u5230\u7684\u53ea\u662f\u52a0\u9501\u524d\u7684\u6570\u636e),\u4f46\u662f\u4e0d\u80fd\u8fdb\u884c\u5199\u64cd\u4f5c,\u5176\u5b83session\u53ef\u4ee5\u8fdb\u884c\u63d2\u5165\u64cd\u4f5c(\u67e5\u5230\u7684\u662f\u6240\u6709\u7684\u6570\u636e),\u4f46\u662f\u5220\u9664\u548c\u66f4\u65b0\u64cd\u4f5c\u9700\u8981\u7b49\u5f85\u9501\u91ca\u653e;<\/li>\n<\/ol>\n<\/li>\n
                            7. \u53ef\u4ee5\u901a\u8fc7LOW_PRIORITY\u548cHIGHT_PRIORITY\u6765\u5f71\u54cdMyISAM\u8868\u7684\u5185\u90e8\u8c03\u5ea6\u673a\u5236;\u53ef\u4ee5\u901a\u8fc7INSERT DELAYED\u5148\u628a\u8868\u4e2d\u6570\u636e\u7f13\u5b58\u5230\u670d\u52a1\u7aef,\u7b49\u5230\u8868\u4e0d\u5fd9\u7684\u65f6\u5019\u518d\u63d2\u5165;\n
                                \n
                              1. \u4e00\u822c\u60c5\u51b5\u4e0b\u5728OLTP\u7cfb\u7edf\u4e2d,\u66f4\u65b0\u64cd\u4f5c\u4f18\u5148\u4e8e\u67e5\u8be2\u64cd\u4f5c,\u56e0\u4e3a\u66f4\u65b0\u64cd\u4f5c\u65f6\u95f4\u6bd4\u8f83\u77ed,\u67e5\u8be2\u64cd\u4f5c\u65f6\u95f4\u6bd4\u8f83\u957f(\u6240\u4ee5\u4e00\u822c\u8981\u63d0\u5347\u67e5\u8be2\u64cd\u4f5c\u7684\u4f18\u5148\u7ea7,\u964d\u4f4e\u66f4\u65b0\u64cd\u4f5c\u7684\u4f18\u5148\u7ea7);\u8981\u4fee\u6539\u67e5\u8be2\u7684\u4f18\u5148\u7ea7\u4f7f\u7528:SELECT HIGH_PRIORITY * FROM t;\u4fee\u6539\u66f4\u65b0\u8bed\u53e5\u7684\u4f18\u5148\u7ea7\u4f7f\u7528:INSERT INTO t VALUES(1);\u53ef\u4ee5\u4f7f\u7528read local\u9501\u505a\u5b9e\u9a8c,\u4f18\u5148\u7ea7\u4f4e\u7684\u65e0\u6cd5\u63d2\u5165,\u4f18\u5148\u7ea7\u9ad8\u53ef\u4ee5\u63d2\u5165;<\/li>\n
                              2. \u6570\u636e\u5ef6\u8fdf\u63d2\u5165:INSERT DELAYED INTO t VALUES(1);\u53ef\u4ee5\u4f7f\u7528write\u9501\u6765\u6a21\u62df\u8fd9\u79cd\u60c5\u51b5,\u4e0d\u5b9e\u7528delayed\u5219\u7b49\u5f85,\u4f7f\u7528\u5c31\u9a6c\u4e0a\u8fd4\u56de\u6210\u529f,\u4f46\u662f\u771f\u6b63\u63d2\u5165\u8981\u7b49\u8868\u4e0d\u5fd9\u7684\u65f6\u5019;\u5f53\u6709\u5ef6\u8fdf\u64cd\u4f5c\u65f6\u4f1a\u4ea7\u751f\u4e00\u4e2a\u5ef6\u8fdf\u8fdb\u7a0b,\u5b83\u662f\u4e00\u4e2a\u5171\u7528\u7684\u7ebf\u7a0b,\u53ea\u6709\u4e00\u4e2a;<\/li>\n
                              3. \u67e5\u770b\u5f53\u524d\u94fe\u63a5\u5230\u670d\u52a1\u5668\u7684\u8fdb\u7a0b\u5217\u8868:show processlist;\u6740\u6389\u8fdb\u7a0b:kill id;<\/span><\/li>\n
                              4. \u4e0e\u5ef6\u8fdf\u63d2\u5165\u6709\u5173\u7684\u5168\u5c40\u53d8\u91cf:show global variables ‘%delayed%’;\n
                                  \n
                                1. delayed_insert_limit:\u5ef6\u8fdf\u63d2\u5165\u65f6,\u63d2\u5165\u591a\u5c11\u6761\u6570\u636e\u540e\u68c0\u67e5\u662f\u5426\u6709\u67e5\u8be2\u64cd\u4f5c,\u5982\u679c\u6709\u67e5\u8be2\u64cd\u4f5c,\u5219\u67e5\u8be2\u64cd\u4f5c\u5148\u6267\u884c;<\/li>\n
                                2. delayed_insert_timeout:\u9650\u5236\u5ef6\u8fdf\u64cd\u4f5c\u7684\u7b49\u5f85\u65f6\u95f4;<\/li>\n
                                3. delayed_queue_size:\u5b9a\u4e49\u5ef6\u8fdf\u7ebf\u7a0b\u961f\u5217\u7684\u5927\u5c0f,\u4ee5\u884c\u4e3a\u5355\u4f4d;<\/li>\n<\/ol>\n<\/li>\n
                                4. \u4e0e\u5ef6\u8fdf\u63d2\u5165\u6709\u5173\u7684\u5168\u5c40\u72b6\u6001:show global status ‘%delayed%’;\n
                                    \n
                                  1. delayed_errors:\u8bb0\u5f55\u5ef6\u8fdf\u63d2\u5165\u9519\u8bef\u7684\u6b21\u6570;<\/li>\n
                                  2. delayed_insert_threads:\u5f53\u524d\u6709\u591a\u5c11\u7ebf\u7a0b\u5728\u4f7f\u7528\u5ef6\u8fdf\u64cd\u4f5c;<\/li>\n
                                  3. delayed_writes:\u4f7f\u7528\u5ef6\u8fdf\u7ebf\u7a0b\u63d2\u5165\u7684\u8bb0\u5f55\u884c\u6570;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                  4. \u6570\u636e\u8868\u7684\u5b58\u50a8\u683c\u5f0f\u662f\u975e\u5e38\u7684\u8f7b\u4fbf\u7684,\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u62f7\u8d1d\u8868\u6240\u5728\u7684\u76ee\u5f55\u5230\u5176\u5b83\u7684\u4e3b\u673a\u4ee5\u5b9e\u73b0\u5bf9\u8868\u7684\u5907\u4efd\u989d\u8fc1\u79fb\n
                                      \n
                                    1. \u62f7\u8d1d\u65f6\u9700\u8981\u6ce8\u610f\u6587\u4ef6\u7684\u6743\u9650\u548c\u62e5\u6709\u8005,\u4e00\u822c\u6307\u5b9acp -a\u9009\u9879;<\/li>\n
                                    2. \u62f7\u8d1d\u8868\u65f6\u53ef\u80fd\u4f1a\u6709\u7f13\u5b58,\u6700\u597d\u80fd\u5728\u5173\u95ed\u670d\u52a1\u5668\u7684\u60c5\u51b5\u7cfb\u8fdb\u884c,\u4ee5\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027;(\u5c82\u4e0d\u662f\u4fdd\u969c\u4e0d\u4e86\u9ad8\u53ef\u7528\u6027\u4e86?)<\/li>\n<\/ol>\n<\/li>\n
                                    3. \u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2aMyISAM\u8868\u6700\u5c11\u5b58\u50a8\u591a\u5c11\u6761\u8bb0\u5f55,\u8fd9\u5141\u8bb8MyISAM\u8868\u53bb\u8c03\u6574\u8868\u5185\u90e8\u884c\u6307\u9488\u7684\u5927\u5c0f,\u4e5f\u53ef\u4ee5\u914d\u7f6e\u7f3a\u7701\u7684\u8868\u5185\u90e8\u884c\u6307\u9488\u5927\u5c0f\u4f9b\u670d\u52a1\u5668\u4f7f\u7528\n
                                        \n
                                      1. \u5728\u521b\u5efa\u8868\u65f6\u4f7f\u7528MAX_ROWS\u548cMIN_ROWS\u9009\u9879(? CREATE TABLE),\u8fd9\u4e2a\u503c\u53ea\u662f\u4e00\u4e2a\u53c2\u8003\u503c,\u5b9e\u9645\u7684\u6570\u636e\u884c\u6570\u53ef\u4ee5\u5927\u4e8e\u4e5f\u53ef\u4ee5\u5c0f\u4e8e\u8fd9\u4e2a\u503c;<\/li>\n
                                      2. \u914d\u7f6e\u7cfb\u7edf\u9ed8\u8ba4\u5927\u5c0f\u4f7f\u7528myisam_data_pointer_size\u9009\u9879:show variables like ‘myisam_data_pointer_size’,\u8fd9\u4e2a\u9009\u9879\u662f\u5f53\u521b\u5efa\u8868\u65f6\u6ca1\u6709\u4f7f\u7528MAX_ROWS\u9009\u9879\u65f6\u4f7f\u7528,\u9ed8\u8ba4\u4e3a6,\u4e0d\u80fd\u5c0f\u4e8e2\u4e5f\u4e0d\u80fd\u5927\u4e8e7.\u5b83\u4ee3\u8868\u53ef\u4ee5\u7528\u51e0\u4e2a\u5b57\u8282(\u4e00\u4e2a\u5b57\u8282\u662f8\u4f4d)\u53bb\u5bfb\u5740,\u6307\u5b9an,\u8868\u793a2\u76848n\u6b21\u65b9,\u5373\u6307\u5b9a\u4e3a2,3,4,5,6\u65f6\u4f9d\u6b21\u4ee3\u8868\u53ef\u4ee5\u5b58\u653e64K,16M,4G,1T,256T\u7684\u6570\u636e;<\/li>\n
                                      3. \u628amax_rows\u8bbe\u4e3a5,myisam_data_pointer_size\u8303\u56f4\u662f2~7,2\u4e2a\u5b57\u8282\u5c31\u8db3\u591f\u4e86(2^16),\u6240\u4ee5\u5176\u5b9e\u5c31\u662f\u8ba9myisam\u662f\u75282\u4e2a\u5b57\u8282\u7684\u6307\u9488,\u5e76\u4e0d\u662f\u8bf4\u6700\u591a5\u884c.\u5982\u679c\u628amax_rows\u8bbe\u7f6e\u4e3a\u5927\u4e8e2^16\u7684\u503c,\u5c31\u8981\u75283\u4e2a\u5b57\u8282\u8868\u793a,\u6240\u4ee5myisam_data_pointer_size\u4f1a\u8bbe\u4e3a3,\u6b64\u65f6\u6700\u591a\u5b58\u653e2^24\u884c.<\/li>\n
                                      4. \u5982\u679c\u521b\u5efa\u8868\u65f6\u6307\u5b9a\u4e86max_rows,\u90a3\u4e48\u8868\u81f3\u53d7\u9650\u4e8e\u6700\u5927\u7684\u884c\u6570;\u5982\u679c\u6ca1\u6709max_rows,\u5219\u8868\u53d7\u9650\u4e8e\u6700\u5927\u5927\u5c0f;<\/li>\n<\/ol>\n<\/li>\n
                                      5. \u5bfc\u5165\u6570\u636e\u65f6<\/span>,\u53ef\u4ee5\u5148\u7981\u7528\u6389\u7d22\u5f15,\u7b49\u5230\u5bfc\u5165\u6570\u636e\u540e\u518d\u6253\u5f00\u7d22\u5f15,\u8fd9\u6837\u4f1a\u52a0\u5feb\u5bfc\u5165\u6570\u636e\u7684\u901f\u5ea6.\u5f53\u4f7f\u7528LOAD DATA [LOCAL] INFILE\u5bfc\u5165\u6570\u636e\u65f6,\u5b83\u4f1a\u81ea\u52a8\u7684\u7981\u7528\u548c\u542f\u7528\u7d22\u5f15,\u4ee5\u52a0\u5feb\u5bfc\u5165\u901f\u5ea6\n
                                          \n
                                        1. \u67e5\u770bLOAD DATA [LOCAL] INFILE\u7684\u5e2e\u52a9:? load data; load data [local] infile file_name into table table_name;<\/li>\n
                                        2. \u4e0eLOAD DATA INFILE\u76f8\u5bf9\u5e94\u7684\u662fSELECT … INTO OUTFILE,\u628a\u8868\u4e2d\u7684\u6570\u636e\u5bfc\u5165\u5230\u6587\u4ef6\u4e2d;<\/li>\n
                                        3. \u8bed\u6cd5:select * from t into outfile ‘\/tmp\/t.txt’ fields terminated by ‘,’ enclosed by ‘”‘; \u5b57\u6bb5\u4ee5[“]\u5305\u56f4,\u5b57\u6bb5\u4e4b\u95f4\u4ee5[,]\u53f7\u5206\u5272,\u9ed8\u8ba4\u6bcf\u884c\u4e4b\u95f4\u4ee5\u6362\u884c\u5206\u5272;<\/li>\n
                                        4. \u8bed\u6cd5:load data infile ‘\/tmp\/t.txt’ into table t fields terminated by ‘,’ enclosed by ‘”‘;<\/li>\n<\/ol>\n<\/li>\n
                                        5. \u5411MyISAM\u8868\u4e2d\u6dfb\u52a0\u6570\u636e\u65f6,\u5982\u679c\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u65f6\u670d\u52a1\u5668\u4f1a\u6302\u8d77\u64cd\u4f5c,\u76f4\u5230\u7a7a\u95f4\u53d8\u4e3a\u53ef\u7528\u72b6\u6001,\u7136\u540e\u7ee7\u7eed\u5b8c\u6210\u64cd\u4f5c;<\/li>\n
                                        6. MyISAM\u8868\u7684\u884c\u5b58\u50a8\u683c\u5f0f\n
                                            \n
                                          1. \u67e5\u770b\u8868\u4f7f\u7528\u54ea\u79cd\u884c\u5b58\u50a8\u683c\u5f0f:\u4e0e\u67e5\u770b\u8868\u4f7f\u7528\u5f15\u64ce\u7684\u65b9\u5f0f\u4e00\u6837,\u8868\u4fe1\u606f\u7684Row_format\u5b57\u6bb5.\n
                                              \n
                                            1. \u8868\u4e2d\u5305\u542b\u6709\u53ef\u53d8\u957f\u5ea6\u7684\u5217,\u5219\u8868\u5c31\u662fDynamic\u7684;<\/li>\n
                                            2. \u8868\u4e2d\u6ca1\u6709\u5305\u542b\u53ef\u53d8\u957f\u5ea6\u7684\u5217,\u8868\u5c31\u662fFixed\u7684;<\/li>\n<\/ol>\n<\/li>\n
                                            3. \u56fa\u5b9a\u884c\u5b58\u50a8\u683c\u5f0f:\n
                                                \n
                                              1. \u6240\u6709\u7684\u884c\u6709\u56fa\u5b9a\u7684\u5927\u5c0f;<\/li>\n
                                              2. \u884c\u5b58\u50a8\u7684\u4f4d\u7f6e\u662f\u5728\u884c\u957f\u5ea6\u7684\u6574\u6570\u500d\u7684\u4f4d\u7f6e,\u65b9\u4fbf\u67e5\u627e;<\/li>\n
                                              3. \u5360\u7528\u66f4\u591a\u7684\u5b58\u50a8\u7a7a\u95f4;<\/li>\n<\/ol>\n<\/li>\n
                                              4. \u52a8\u6001\u884c\u5b58\u50a8\u683c\u5f0f:\n
                                                  \n
                                                1. \u884c\u5360\u7528\u52a8\u6001\u7684\u957f\u5ea6;<\/li>\n
                                                2. \u67e5\u770b\u8d77\u6765\u4e0d\u662f\u5f88\u9ad8\u6548;<\/li>\n
                                                3. \u8282\u7701\u7a7a\u95f4;<\/li>\n
                                                4. \u66f4\u5bb9\u6613\u4ea7\u751f\u788e\u7247;<\/li>\n<\/ol>\n<\/li>\n
                                                5. \u538b\u7f29\u884c\u5b58\u50a8\u683c\u5f0f:\n
                                                    \n
                                                  1. \u8868\u88ab\u538b\u7f29\u4ee5\u8282\u7701\u7a7a\u95f4;<\/li>\n
                                                  2. \u4f18\u5316\u7684\u5b58\u50a8\u4ee5\u52a0\u5feb\u68c0\u7d22;<\/li>\n
                                                  3. \u8868\u662f\u53ea\u8bfb\u7684;<\/li>\n<\/ol>\n<\/li>\n
                                                  4. \u505a\u5b9e\u9a8c\u65f6\u53ef\u4ee5\u4f7f\u7528hexdump<\/span>\u5de5\u5177,\u67e5\u770b\u6570\u636e\u6587\u4ef6\u4e2d\u5b9e\u9645\u5b58\u653e\u7684\u6570\u636e,\u53ef\u4ee5\u52a0\u4e0a-C\u9009\u9879;<\/li>\n
                                                  5. \u624b\u52a8\u50cf\u6570\u636e\u8868\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6570\u636e\u540e\u4e0d\u53ef\u7528,\u9700\u8981\u7ecf\u5386check table table_name; optimize table table_name; repair table table_name;\u4e09\u4e2a\u8fc7\u7a0b,\u5e94\u8be5\u662f\u5728information_schema\u5e93\u4e2d\u5199\u5165\u7edf\u8ba1\u4fe1\u606f;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                  6. InnoDB\n
                                                      \n
                                                    1. \u6bcf\u4e00\u4e2aInnoDB\u7684\u8868\u5728\u78c1\u76d8\u7684\u6570\u636e\u76ee\u5f55\u4e0b\u90fd\u6709\u4e00\u4e2a.frm\u6587\u4ef6\u548c\u5b58\u50a8\u6570\u636e\u548c\u7d22\u5f15\u7684\u8868\u7a7a\u95f4,InnoDB\u7684\u8868\u7a7a\u95f4\u662f\u4e00\u4e2a\u903b\u8f91\u7684\u5355\u5b58\u50a8\u533a\u57df,\u8fd9\u4e2a\u533a\u57df\u7531\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u6587\u4ef6\u7ec4\u6210,\u8fd8\u53ef\u4ee5\u4f7f\u7528\u88f8\u5206\u533a.\u7f3a\u7701\u60c5\u51b5\u4e0b,\u4e00\u4e2aInnoDB\u7684\u8868\u7a7a\u95f4\u5b58\u653e\u6240\u6709\u7684InnoDB\u7684\u8868\u7684\u5185\u5bb9,\u8fd9\u79cd\u8868\u7a7a\u95f4\u7684\u5b58\u50a8\u662f\u4e0e\u673a\u5668\u65e0\u5173\u7684,\u6839\u636e\u6b64\u7279\u6027,\u6211\u4eec\u53ef\u4ee5\u628aInnoDB\u8868\u7a7a\u95f4\u62f7\u8d1d\u5230\u5176\u5b83\u673a\u5668\u4e0a\u5b8c\u6210\u5907\u4efd\u548c\u8fc1\u79fb.\u5355\u4e2a\u8868\u7684\u6700\u5927\u5c3a\u5bf8\u53ef\u4ee5\u8fbe\u5230\u64cd\u4f5c\u7cfb\u7edf\u652f\u6301\u7684\u6700\u5927\u5927\u5c0f.\u540c\u6837\u53ef\u4ee5\u914d\u7f6eInnoDB\u4f7f\u5f97\u6bcf\u4e2a\u8868\u4f7f\u7528\u5355\u72ec\u7684\u8868\u7a7a\u95f4(innodb_file_per_table);\n
                                                        \n
                                                      1. InnoDB\u5f15\u64ce\u7684\u64cd\u4f5c\u9700\u8981\u4e3b\u8981\u9700\u8981\u4e24\u5757\u78c1\u76d8\u8d44\u6e90,\u4e00\u4e2a\u8868\u7a7a\u95f4\u7528\u6765\u5b58\u653e\u6570\u636e\u548c\u7d22\u5f15,\u4e00\u7cfb\u5217\u7684\u65e5\u5fd7\u6587\u4ef6\u7528\u6765\u8bb0\u5f55\u5f53\u524d\u6d3b\u52a8\u7684\u65e5\u5fd7;<\/li>\n
                                                      2. \u6bcf\u4e2aInnoDB\u8868\u90fd\u6709\u4e00\u4e2a.frm\u6587\u4ef6,\u8fd9\u4e00\u70b9\u4e0e\u5176\u5b83\u7684\u5b58\u50a8\u5f15\u64ce\u76f8\u540c.\u7136\u800c\u4e0d\u540c\u7684\u662f,InnoDB\u5b58\u50a8\u6570\u636e\u548c\u7d22\u5f15\u5728\u5171\u4eab\u8868\u7a7a\u95f4,\u8fd9\u662f\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u5355\u72ec\u7684\u903b\u8f91\u5b58\u50a8\u533a\u57df,\u6240\u6709\u7684InnoDB\u8868\u90fd\u5b58\u50a8\u5728\u4e00\u4e2a\u8868\u7a7a\u95f4\u4e2d.\u8fd9\u4e2a\u8868\u7a7a\u95f4\u4e5f\u5305\u542b\u4e00\u4e2arollback\u8282,\u4e8b\u52a1\u4fee\u6539\u8bb0\u5f55\u7684\u4fe1\u606f\u548cundo\u65e5\u5fd7\u4fe1\u606f\u90fd\u5b58\u50a8\u5728\u8fd9\u4e2a\u8282\u4e2d,\u8fd9\u4e9b\u4fe1\u606f\u7528\u4e8e\u56de\u590d\u5931\u8d25\u7684\u4e8b\u52a1;<\/li>\n
                                                      3. \u5728\u5171\u4eab\u8868\u7a7a\u95f4\u7684\u6587\u4ef6\u53ef\u4ee5\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u589e\u957f,\u56e0\u4e3a\u5171\u4eab\u8868\u7a7a\u95f4\u4fdd\u5b58\u7740\u6240\u6709\u6570\u636e\u5e93\u4e2d\u6240\u6709\u7684InnoDB\u8868,\u6240\u4ee5\u5171\u4eab\u8868\u7a7a\u95f4\u6587\u4ef6\u9ed8\u8ba4\u5b58\u653e\u5728\u670d\u52a1\u5668\u7684\u6570\u636e\u76ee\u5f55\u4e0b,\u800c\u4e0d\u662f\u67d0\u4e00\u4e2a\u6570\u636e\u5e93\u76ee\u5f55\u4e0b;<\/li>\n
                                                      4. \u5982\u679c\u4e0d\u60f3\u4f7f\u7528\u5171\u4eab\u8868\u7a7a\u95f4\u5b58\u50a8\u8868\u7684\u5185\u5bb9,\u53ef\u4ee5\u6253\u5f00innodb_file_per_table\u9009\u9879,\u8fd9\u6837,\u5bf9\u4e8e\u6bcf\u4e00\u4e2aInnoDB\u8868\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a.idb\u7684\u6587\u4ef6\u5b58\u653e\u6570\u636e\u548c\u7d22\u5f15\u548c\u4e00\u4e2a.frm\u6587\u4ef6\u4fdd\u5b58\u8868\u7ed3\u6784.\u4f46\u662f\u5171\u4eab\u8868\u7a7a\u95f4\u4ecd\u7136\u662f\u5fc5\u987b\u7684,\u56e0\u4e3a\u5b83\u8981\u4fdd\u5b58InnoDB\u7684\u6570\u636e\u5b57\u5178\u548crollback\u8282.\u4f7f\u7528\u6b64\u9009\u9879\u4e0d\u5f71\u54cd\u4ee5\u524d\u521b\u5efa\u5728\u5171\u4eab\u8868\u7a7a\u95f4\u4e2d\u7684\u8868;<\/li>\n<\/ol>\n<\/li>\n
                                                      5. InnoDB\u5f15\u64ce\u652f\u6301\u4e8b\u52a1,\u53ef\u4ee5\u4f7f\u7528commit\u548crollback,\u5b83\u9075\u5faaACID\u673a\u5236,\u7531\u4e8e\u591a\u7248\u672c\u63a7\u5236(Multi-versioning),\u6bcf\u4e2a\u4e8b\u52a1\u4e4b\u95f4\u662f\u4e92\u8865\u5f71\u54cd\u7684;\n
                                                          \n
                                                        1. ACID\n
                                                            \n
                                                          1. Atomic:\u6574\u4e2a\u4e8b\u52a1\u4e8b\u52a1\u4e2d\u7684\u6240\u6709\u7684\u64cd\u4f5c\u8981\u4e0d\u5168\u90fd\u6210\u529f,\u8981\u4e0d\u5168\u90fd\u53d6\u6d88;<\/li>\n
                                                          2. Consistent:\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u524d\u548c\u4e8b\u52a1\u7ed3\u675f\u4ee5\u540e,\u6570\u636e\u7684\u5b8c\u6574\u6027\u7ea6\u675f\u6ca1\u6709\u88ab\u7834\u574f;<\/li>\n
                                                          3. Isolated:\u4e24\u4e2a\u4e8b\u52a1\u7684\u6267\u884c\u662f\u4e92\u4e0d\u5e72\u6270\u7684;<\/li>\n
                                                          4. Durable:\u4e8b\u52a1\u5b8c\u6210\u4ee5\u540e,\u8be5\u4e8b\u52a1\u5bf9\u6570\u636e\u5e93\u6240\u6709\u7684\u64cd\u4f5c\u4fbf\u6301\u4e45\u7684\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d,\u4e0d\u4f1a\u88ab\u56de\u6eda;<\/li>\n<\/ol>\n<\/li>\n
                                                          5. \u4e8b\u52a1\u6a21\u578b\n
                                                              \n
                                                            1. \u663e\u5f0f\u7684\u5173\u95ed\u81ea\u52a8\u63d0\u4ea4\u529f\u80fd:set autocommit=0;<\/li>\n
                                                            2. \u5f00\u542f\u4e00\u4e2a\u4e8b\u52a1:start transaction;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                            3. \u5f53MySql\u670d\u52a1\u5668\u6216\u8005\u4e3b\u673acrash\u4e4b\u540e,InnoDB\u63d0\u4f9b\u4e86\u81ea\u52a8\u56de\u590d\u673a\u5236;<\/li>\n
                                                            4. MySql\u7ba1\u7406InnoDB\u7684\u67e5\u8be2\u7ade\u4e89\u4f7f\u7528\u591a\u7248\u672c\u63a7\u5236\u548c\u884c\u7ea7\u9501,\u591a\u7248\u672c\u63a7\u5236\u662f\u7684\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u6709\u4e00\u4e2a\u5355\u72ec\u662f\u6570\u636e\u5e93\u754c\u9762;\u800c\u884c\u7ea7\u9501\u4f7f\u5f97\u67e5\u8be2\u7ade\u4e89\u51cf\u5c0f\u5230\u6700\u5c0f,\u8fd9\u4f7f\u5f97\u591a\u67e5\u8be2\u5199\u5165\u7684\u65f6\u5019\u6548\u7387\u6700\u9ad8,\u4f46\u662f\u4f1a\u5bfc\u81f4\u6b7b\u9501;<\/li>\n
                                                            5. InnoDB\u652f\u6301\u5916\u952e\u548c\u5f15\u7528\u5b8c\u6574\u6027,\u5305\u62ec\u7ea7\u8054\u5220\u9664\u548c\u66f4\u65b0;\n
                                                                \n
                                                              1. \u4f7f\u7528\u5916\u952e\u7684\u4e24\u4e2a\u8868\u90fd\u5fc5\u987b\u662fInnoDB\u7684\u8868,\u800c\u4e14\u4e0d\u80fd\u662f\u4e34\u65f6\u8868;<\/li>\n
                                                              2. \u5728\u7236\u8868\u4e2d,\u88ab\u5f15\u7528\u7684\u5217\u5fc5\u987b\u662f\u952e.\u5728\u5b57\u8868\u4e2d\u4f5c\u4e3a\u5916\u952e\u7684\u5217\u5fc5\u987b\u662f\u7d22\u5f15\u6216\u8005\u662f\u7ec4\u5408\u7d22\u5f15\u7684\u7b2c\u4e00\u4e2a,\u5982\u679c\u4ed6\u4e0d\u5b58\u5728,\u5728\u521b\u5efa\u7d22\u5f15\u7684\u65f6\u5019\u4f1a\u81ea\u52a8\u88ab\u521b\u5efa;<\/li>\n
                                                              3. \u4f7f\u7528\u5916\u952e\u7684\u5217\u4e0d\u652f\u6301\u7d22\u5f15\u524d\u7f00;<\/li>\n
                                                              4. \u5982\u679c\u4f7f\u7528CONSTRAINT\u5b50\u53e5\u65f6,\u8981\u4fdd\u8bc1\u5bf9\u8c61\u540d\u662f\u5168\u5c40\u552f\u4e00\u7684;<\/li>\n
                                                              5. \u67e5\u770b\u7d22\u5f15:show index from table_name \\G;<\/li>\n<\/ol>\n<\/li>\n
                                                              6. \u6570\u636e\u8868\u7684\u5b58\u50a8\u683c\u5f0f\u662f\u975e\u5e38\u7684\u8f7b\u4fbf\u7684,\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u62f7\u8d1d\u8868\u6240\u5728\u7684\u76ee\u5f55\u5230\u5176\u5b83\u7684\u4e3b\u673a\u4ee5\u5b9e\u73b0\u5bf9\u8868\u7684\u5907\u4efd\u989d\u8fc1\u79fb;<\/li>\n
                                                              7. \u914d\u7f6e\u4e00\u4e2aInnoDB\u8868\u7a7a\u95f4\n
                                                                  \n
                                                                1. \u5b83\u5305\u542b\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u6587\u4ef6;<\/li>\n
                                                                2. \u8868\u7a7a\u95f4\u4e2d\u7684\u5185\u4e2a\u7ec4\u4ef6\u53ef\u4ee5\u662f\u4e00\u4e2a\u4e00\u822c\u7684\u6587\u4ef6\u6216\u8005\u662f\u88f8\u8bbe\u5907,\u6216\u8005\u662f\u4e24\u79cd\u6587\u4ef6\u90fd\u6709;<\/li>\n
                                                                3. \u8868\u7a7a\u95f4\u6587\u4ef6\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u6216\u8005\u662f\u7269\u7406\u78c1\u76d8\u4e0a.\u8fd9\u6837\u4f7f\u7528\u7684\u4e00\u4e2a\u539f\u56e0\u662f\u4f7f\u7528\u5206\u5e03\u5f0f\u7cfb\u7edf;<\/li>\n
                                                                4. \u8868\u7a7a\u95f4\u7684\u5927\u5c0f\u53ef\u4ee5\u8d85\u8fc7\u6587\u4ef6\u7cfb\u7edf\u652f\u6301\u7684\u6700\u5927\u6587\u4ef6\u5927\u5c0f,\u4e3b\u8981\u662f\u6709\u4e24\u4e2a\u539f\u56e0\n
                                                                    \n
                                                                  1. \u8868\u7a7a\u95f4\u7531\u4e00\u4e2a\u6216\u8005\u591a\u4e2a\u6587\u4ef6\u7ec4\u6210,\u56e0\u6b64\u5927\u4e8e\u4e00\u4e2a\u5355\u72ec\u7684\u6587\u4ef6;<\/li>\n
                                                                  2. \u8868\u7a7a\u95f4\u53ef\u4ee5\u5305\u542b\u88f8\u8bbe\u5907,\u5b83\u4e0d\u53d7\u9650\u4e8e\u6587\u4ef6\u7cfb\u7edf\u7684\u5927\u5c0f,\u53ef\u4ee5\u4f7f\u7528\u88f8\u8bbe\u5907\u7684\u6240\u6709\u7684extent;<\/li>\n<\/ol>\n<\/li>\n
                                                                  3. \u8868\u7a7a\u95f4\u7684\u6700\u540e\u4e00\u4e2a\u6587\u4ef6\u53ef\u4ee5\u81ea\u52a8\u589e\u957f,\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u6587\u4ef6\u7684\u589e\u957f\u5927\u5c0f;<\/li>\n
                                                                  4. \u6307\u5b9a\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684innodb_data_file_path\u53c2\u6570(\u901a\u8fc7show variables like ‘innodb_data_file_path’);\n
                                                                      \n
                                                                    1. \u9ed8\u8ba4\u8def\u5f84\u4e0b\u6307\u5b9a:[innodb_data_file_path=ibdata1:10M;<\/span>ibdata2:10M:autoextend]\u4e24\u4e2a\u6587\u4ef6\u4e4b\u95f4\u7528[;]\u5206\u5272,\u6700\u540e\u4e00\u4e2a\u6587\u4ef6\u53ef\u4ee5\u6307\u5b9a\u81ea\u52a8\u589e\u957f;<\/li>\n
                                                                    2. \u6307\u5b9aInnoDB\u7684\u8def\u5f84:innodb_data_home_dir\u6307\u793a\u6570\u636e\u6587\u4ef6\u7684\u8def\u5f84,\u7f3a\u7701\u662f\u5728\u6570\u636e\u76ee\u5f55\u4e0b\u9762,innodb_log_group_home_dir\u6307\u793a\u65e5\u5fd7\u6587\u4ef6\u7684\u8def\u5f84;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                                    3. \u914d\u7f6eInnoDB\u7684\u7f13\u51b2\u533a:InnoDB\u4f7f\u7528\u4e00\u4e2a\u7f13\u51b2\u6c60\u53bb\u5b58\u653e\u7ecf\u5e38\u8bfb\u53d6\u7684\u7269\u7406\u8868\u7684\u4fe1\u606f,\u76ee\u7684\u662f\u4e3a\u4e86\u51cf\u5c0fIO,\u7f13\u51b2\u6c60\u8d8a\u5927\u8d8a\u597d.\u53ef\u4ee5\u4f7f\u7528innodb_buffer_pool_size\u53c2\u6570\u6539\u53d8\u7f13\u51b2\u6c60\u7684\u5927\u5c0f.\n
                                                                        \n
                                                                      1. innodb_buffer_pool_size:\u5b9a\u4e49\u4e86\u5728\u5185\u5b58\u4e2d\u7f13\u5b58\u8868\u548c\u7d22\u5f15\u7684\u5927\u5c0f,\u8fd9\u4e2a\u503c\u8d8a\u5927,\u8bbf\u95ee\u786c\u76d8\u7684IO\u8d8a\u5c0f.\u5728\u4e00\u4e2a\u4e13\u7528\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e2d,\u4f60\u53ef\u4ee5\u8bbe\u7f6e\u5b83\u7684\u5927\u5c0f\u4e3a\u7269\u7406\u5185\u5b58\u768480%,\u5f53\u7136\u4e5f\u4e0d\u80fd\u8bbe\u7f6e\u7684\u8fc7\u5927,\u5426\u5219\u5c31\u4f1a\u4f7f\u7528\u5230\u4ea4\u6362\u5206\u533a;<\/li>\n
                                                                      2. innodb_additional_mem_pool_size:\u8868\u793a\u5b58\u653e\u6570\u636e\u5b57\u5178\u548c\u5176\u5b83\u6570\u636e\u8868\u7ed3\u6784\u7684\u4fe1\u606f\u7684\u5927\u5c0f.\u8868\u8d8a\u591a,\u8fd9\u4e2a\u7a7a\u95f4\u5206\u914d\u7684\u8981\u8d8a\u5927.\u5982\u679c\u8fd9\u4e2a\u7a7a\u95f4\u5927\u5c0f\u4e0d\u591f\u7684\u8bdd,\u5c31\u4f1a\u4ece\u64cd\u4f5c\u7cfb\u7edf\u7533\u8bf7\u7a7a\u95f4,\u5e76\u5728error log\u4e2d\u8bb0\u5f55\u8b66\u544a\u4fe1\u606f;<\/li>\n
                                                                      3. innodb_max_dirty_pages_pct:\u914d\u7f6edirty page\u7684\u767e\u5206\u6bd4,\u9ed8\u8ba4\u4e3a75,\u5f53\u810f\u6570\u636e\u8d85\u8fc7\u8fd9\u4e2a\u503c\u7684\u65f6\u5019,\u8fdb\u7a0b\u5c31\u4f1a\u628a\u8fd9\u4e9b\u9875\u4ece\u7f13\u51b2\u6c60\u5199\u5165\u5230\u786c\u76d8\u4e0a;<\/li>\n
                                                                      4. \u67e5\u770binnodb\u7684\u72b6\u6001\u53d8\u91cfshow golbal status like ‘innodb_%’;innodb_page_size:\u662f\u6bcf\u4e00\u9875\u7684\u5927\u5c0f,\u4e00\u822c\u4e3a16k;Innodb_buffer_pool_pages_total:\u662f\u4e00\u5171\u6709\u7684\u9875\u6570;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                                      5. Merge\n
                                                                          \n
                                                                        1. MERGE\u8868\u662f\u4e00\u7ec4MyISAM\u8868\u7684\u96c6\u5408,\u6bcf\u4e00\u4e2aMERGE\u8868\u5728\u78c1\u76d8\u4e0a\u90fd\u67092\u4e2a\u6587\u4ef6,\u4e00\u4e2a\u662f.frm\u6587\u4ef6\u548c\u4e00\u4e2a\u5305\u542b\u7ec4\u6210MERGGE\u8868\u7684MyISAM\u8868\u7684\u540d\u79f0\u7684.MRG\u6587\u4ef6.\u8fd9\u4e24\u4e2a\u6587\u4ef6\u90fd\u5b58\u653e\u5728\u6570\u636e\u5e93\u76ee\u5f55\u4e0b;<\/li>\n
                                                                        2. \u5f53\u5bf9\u4e00\u4e2aMERGE\u8868\u64cd\u4f5c\u65f6,\u76f8\u5f53\u4e8e\u5bf9\u7ec4\u6210MERGE\u8868\u7684\u6240\u6709\u7684MyISAM\u8868\u7684\u64cd\u4f5c;<\/li>\n
                                                                        3. \u4e00\u4e2aMERGE\u8868\u53ef\u4ee5\u7a81\u7834MyISAM\u8868\u7684\u6700\u5927\u5927\u5c0f\u7684\u9650\u5236;<\/li>\n
                                                                        4. MYSQL\u7ba1\u7406MERGE\u8868\u7684\u67e5\u8be2\u7ade\u4e89\u4f7f\u7528\u8868\u7ea7\u9501,\u5373\u9501\u4f4f\u7ec4\u6210\u5b83\u7684MyISAM\u8868,\u6240\u4ee5\u4e0d\u4f1a\u4ea7\u751f\u6b7b\u9501;<\/li>\n
                                                                        5. \u4e00\u4e2aMERGE\u8868\u662f\u5f88\u8f7b\u4fbf\u7684,\u56e0\u4e3a.MRG\u6587\u4ef6\u662f\u4e00\u4e2a\u6587\u672c\u6587\u4ef6;<\/li>\n
                                                                        6. \u53ef\u4ee5\u8fdb\u884c\u589e\u5220\u6539\u67e5\u64cd\u4f5c,\u5728\u63d2\u5165\u64cd\u4f5c\u65f6\u53ef\u4ee5\u6307\u5b9a\u662f\u5f80\u54ea\u4e2a\u8868\u4e2d\u63d2\u5165\u6570\u636e;<\/li>\n
                                                                        7. \u5f53MERGE\u5f15\u64ce\u8981\u9501\u4f4f\u4e00\u4e2aMERGE\u8868\u65f6,\u5c31\u4f1a\u5bf9\u7ec4\u6210\u5b83\u7684\u6240\u6709MyISAM\u8868\u52a0\u9501;<\/li>\n
                                                                        8. \u5bf9MERGE\u8868\u6267\u884cSEELCT\u64cd\u4f5c\u65f6,\u5bf9\u5e95\u5c42\u7684\u8868\u52a0read lock;<\/li>\n
                                                                        9. \u5bf9MERGE\u8868\u6267\u884c\u66f4\u65b0\u64cd\u4f5c(delete, update)\u65f6,\u5bf9\u5e95\u5c42\u7684\u8868\u52a0write lock;<\/li>\n
                                                                        10. \u5bf9MERGE\u8868\u7684\u64cd\u4f5c:\n
                                                                            \n
                                                                          1. \u521b\u5efaMyISAM\u8868m1:create table m1(id int, name varchar(10)) engine=myisam;<\/li>\n
                                                                          2. \u521b\u5efaMyISAM\u8868m2:create table m2(id int, name varchar(10)) engine=myisam;<\/li>\n
                                                                          3. \u521b\u5efaMERGE\u8868:create table m(id int, name varchar(10))\u00a0engine=merge union=(m1, m2);<\/span><\/li>\n
                                                                          4. \u63d2\u5165\u6570\u636e:insert into m1 values(1, ‘a’);insert into m1 values(1, ‘a’);<\/li>\n
                                                                          5. \u67e5\u8be2:select * from m;<\/li>\n
                                                                          6. \u521b\u5efaMyISAM\u8868m3:create table m3(id int, name varchar(10)) engine=myisam;<\/li>\n
                                                                          7. \u52a0\u5165merge\u8868:alter table m union=(m1, m2, m3)<\/span>;\u5f88\u7075\u6d3b,\u53ef\u4ee5\u4e92\u76f8\u7ec4\u5408;<\/li>\n
                                                                          8. \u4fee\u6539\u8868\u4f7f\u5f97merge\u8868\u53ef\u4ee5\u63d2\u5165\u6570\u636e,create table m(id int, name varchar(10))\u00a0engine=merge union=(m1, m2) insert_method=last;method_method=0:\u4e0d\u5141\u8bb8\u63d2\u5165;first:\u63d2\u5165\u5230union\u4e2d\u7684\u7b2c\u4e00\u4e2a\u8868;last:\u63d2\u5165\u5230union\u4e2d\u6700\u540e\u4e00\u4e2a\u8868;<\/span><\/li>\n<\/ol>\n<\/li>\n
                                                                          9. \u53ef\u4ee5\u901a\u8fc7\u76f4\u63a5\u4fee\u6539.MRG\u6587\u4ef6\u6765\u4fee\u6539MERGE\u8868,\u4fee\u6539\u540e\u4f7f\u7528flush tables;\u6765\u5237\u65b0\u8868\u7f13\u5b58;<\/li>\n<\/ol>\n<\/li>\n
                                                                          10. Memory\n
                                                                              \n
                                                                            1. MEMORY\u8868\u7684.frm\u6587\u4ef6\u5728\u6570\u636e\u5e93\u76ee\u5f55\u4e0b,\u6570\u636e\u548c\u7d22\u5f15\u90fd\u5b58\u50a8\u5728\u5185\u5b58\u4e2d;<\/li>\n
                                                                            2. \u5bf9MEMORY\u8868\u7684\u64cd\u4f5c\u6027\u80fd\u90fd\u5f88\u9ad8;<\/li>\n
                                                                            3. \u5728\u670d\u52a1\u5668\u91cd\u542f\u4e4b\u540e,MEMORY\u8868\u4e2d\u7684\u6570\u636e\u5c31\u4e0d\u5b58\u5728\u4e86,\u4f46\u662f\u4ed6\u7684\u8868\u7ed3\u6784\u8fd8\u662f\u5b58\u5728\u7684;<\/li>\n
                                                                            4. \u56e0\u4e3aMEMORY\u8868\u4f7f\u7528\u7684\u662f\u5185\u5b58,\u6240\u4ee5\u4e0d\u9002\u7528\u4e8e\u5927\u8868;<\/li>\n
                                                                            5. MEMORY\u8868\u4f7f\u7528\u8868\u7ea7\u9501\u6765\u5904\u7406\u67e5\u8be2\u7ade\u4e89,\u6240\u4ee5\u4e0d\u4f1a\u53d1\u751f\u6b7b\u9501;<\/li>\n
                                                                            6. MEMORY\u8868\u4e0d\u652f\u6301TEXT\u548cBLOB\u7c7b\u578b;<\/li>\n
                                                                            7. \u5b83\u652f\u6301\u4e24\u79cd\u7d22\u5f15:HASH\u548cBTREE\n
                                                                                \n
                                                                              1. \u7f3a\u7701\u4f7f\u7528HASH\u7d22\u5f15,\u8fd9\u79cd\u7d22\u5f15\u7b97\u6cd5\u4f7f\u7528\u552f\u4e00\u7d22\u5f15\u4f1a\u975e\u5e38\u9ad8\u6548,\u7136\u800cHASH\u7d22\u5f15\u53ea\u80fd\u7528\u4e8e\u6bd4\u8f83\u8fd0\u7b97\u7b26(=, <>);<\/li>\n
                                                                              2. BTREE\u7d22\u5f15\u7b97\u6cd5\u66f4\u9002\u5408\u4e8e\u8303\u56f4\u67e5\u627e,\u4f8b\u5982>,<\u6216\u8005between;<\/li>\n<\/ol>\n<\/li>\n
                                                                              3. \u53ef\u4ee5\u4f7f\u7528\u521b\u5efa\u8868\u65f6\u7684max_rows\u548c\u670d\u52a1\u5668\u53c2\u6570max_heap_table_size\u6765\u9650\u5236MEMORY\u8868\u7684\u5927\u5c0f;<\/li>\n
                                                                              4. \u8bbe\u7f6e\u7d22\u5f15:\n
                                                                                  \n
                                                                                1. hash:alter table table_name add index idx_name using hash(col_name);<\/li>\n
                                                                                2. btree:alter table table_name add index idx_name using btree(col_name);<\/li>\n<\/ol>\n<\/li>\n
                                                                                3. \u5f53\u4e0d\u9700\u8981MEMORY\u8868\u7684\u5185\u5bb9\u65f6,\u8981\u91ca\u653e\u88abMEMORY\u8868\u4f7f\u7528\u7684\u5185\u5b58,\u4f7f\u7528DELETE FROM, TRUNCATE TABLE\u6216\u8005\u5220\u9664\u6574\u4e2a\u8868DROP TABLE;<\/li>\n<\/ol>\n<\/li>\n
                                                                                4. Federated\n
                                                                                    \n
                                                                                  1. \u5b83\u8bbf\u95ee\u7684\u662f\u5728\u8fdc\u7a0b\u6570\u636e\u5e93\u8868\u4e2d\u7684\u6570\u636e,\u800c\u4e0d\u662f\u672c\u5730\u7684\u8868,\u4ec5\u5728-MAX\u7248\u7684MySql\u53ef\u7528;<\/li>\n
                                                                                  2. \u5982\u679c\u8981\u4f7f\u7528\u9700\u8981\u5728\u5728configure\u65f6\u6dfb\u52a0–with-federated-storage-engine\u9009\u9879;<\/li>\n
                                                                                  3. \u521b\u5efa\u4e00\u4e2aFEDERATED\u8868\u65f6,\u670d\u52a1\u5668\u5728\u6570\u636e\u5e93\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a.frm\u6587\u4ef6,\u6ca1\u6709\u8868\u6570\u636e\u6587\u4ef6,\u56e0\u4e3a\u5b9e\u9645\u6570\u636e\u5728\u8fdc\u7a0b\u6570\u636e\u5e93\u4e0a;<\/li>\n
                                                                                  4. \u64cd\u4f5c\u8868\u7684\u5185\u5bb9\u65f6\u9700\u8981MYSQL\u5ba2\u6237\u7aefAPI,\u8bfb\u53d6\u6570\u636e\u901a\u8fc7SELECT * FROM table_name\u6765\u521d\u59cb\u5316,\u7136\u540e\u901a\u8fc7mysql_fetch_row()\u7684c\u51fd\u6570\u53bb\u4e00\u884c\u884c\u8bfb\u53d6;<\/li>\n
                                                                                  5. \u521b\u5efa\u4e00\u4e2aFEDERATED\u8868\n
                                                                                      \n
                                                                                    1. \u5047\u8bbe\u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6709\u4e00\u4e2a\u8868\u4e3atbl;<\/li>\n
                                                                                    2. \u5728\u672c\u5730\u521b\u5efa\u8868:create table federated_tbl(id int, name varchar(10))\u00a0engine=federated connection=’mysql:\/\/root@remote_host:3306\/federated\/tbl’;<\/span><\/li>\n
                                                                                    3. \u5176\u4ed6CONNECTION\u7684\u683c\u5f0f:\n
                                                                                        \n
                                                                                      1. CONNECTION=’mysql:\/\/username:password@hostname:port\/database\/tablename’;<\/li>\n
                                                                                      2. CONNECTION=’mysql:\/\/username@hostname\/database\/tablename’;<\/li>\n
                                                                                      3. CONNECTION=’mysql:\/\/username:password@hostname\/database\/tablename’;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                                                      4. \u5c40\u9650\u6027\n
                                                                                          \n
                                                                                        1. \u8fdc\u7a0b\u670d\u52a1\u5668\u5fc5\u987b\u662f\u4e00\u4e2aMYSQL\u670d\u52a1\u5668;<\/li>\n
                                                                                        2. \u4e0d\u652f\u6301\u4e8b\u52a1;<\/li>\n
                                                                                        3. \u652f\u6301\u589e\u5220\u6539\u67e5\u7684\u64cd\u4f5c\u548c\u7d22\u5f15,\u4f46\u662f\u4e0d\u652f\u6301ALTER TABLE\u548cDROP TABLE;<\/li>\n<\/ol>\n<\/li>\n
                                                                                        4. \u7528\u9014:\u53ef\u4ee5\u8de8\u670d\u52a1\u5668\u8bbf\u95ee,\u4e0d\u7528\u521b\u5efaDB LINK\u4e86;<\/li>\n<\/ol>\n<\/li>\n
                                                                                        5. BDB\n
                                                                                            \n
                                                                                          1. \u9700\u8981\u4e0b\u8f7d\u5305\u542bBDB\u7248\u672c\u7684MYSQL(MySql-Max\u5206\u53d1\u7248\u652f\u6301BDB);<\/li>\n
                                                                                          2. \u5b89\u88c5\u65f6\u5728configure\u52a0\u5165–with-berkeley-db\u9009\u9879;<\/li>\n
                                                                                          3. BDB\u542f\u52a8\u9009\u9879\n
                                                                                              \n
                                                                                            1. –bdb-home:\u6307\u5b9aBDB\u8868\u7684\u57fa\u7840\u76ee\u5f55,\u5e94\u8be5\u548c–datadir\u76f8\u540c;<\/li>\n
                                                                                            2. –bdb-lock-detect:BDB\u9501\u5b9a\u68c0\u6d4b\u65b9\u5f0f,DEFAULT,OLDEST,RANDOM,YOUNGEST;<\/li>\n
                                                                                            3. –bdb-logdir=path:BDB\u65e5\u5fd7\u6587\u4ef6\u76ee\u5f55;<\/li>\n
                                                                                            4. –bdb-no-recover:\u4e0d\u5728\u6062\u590d\u6a21\u5f0f\u542f\u52a8Berkeley DB;<\/li>\n
                                                                                            5. –bdb-no-sync:\u4e0d\u540c\u6b65\u5237\u65b0BDB\u65e5\u5fd7,\u4f7f\u7528–skip-sync-bdb-logs\u4ee3\u66ff;<\/li>\n
                                                                                            6. –bdb-shared-data:\u4ee5\u591a\u5904\u7406\u6a21\u5f0f\u542f\u52a8Berkeley DB(\u521d\u59cb\u5316Berkeley DB\u4e4b\u65f6,\u4e0d\u8981\u4f7f\u7528DB_PRIVATE);<\/li>\n
                                                                                            7. –bdb-tmpdir=path:BDB\u4e34\u65f6\u6587\u4ef6\u76ee\u5f55;<\/li>\n
                                                                                            8. –skip-bdb:\u7981\u6b62BDB\u5b58\u50a8\u5f15\u64ce;<\/li>\n
                                                                                            9. –sync-bdb-logs:\u540c\u6b65\u5237\u65b0BDB\u65e5\u5fd7.\u8fd9\u4e2a\u9009\u9879\u9ed8\u8ba4\u88ab\u5141\u8bb8,\u8bf7\u4f7f\u7528–skip-sync-bdb-logs\u6765\u7981\u6b62\u5b83;<\/li>\n<\/ol>\n<\/li>\n
                                                                                            10. \u521b\u5efa\u4e00\u4e2aBDB\u8868\u4f1a\u6709\u4e24\u4e2a\u6587\u4ef6,\u4e00\u4e2a\u662f.frm\u6587\u4ef6,\u4e00\u4e2a\u662f\u5b58\u653e\u8868\u6570\u636e\u548c\u7d22\u5f15\u7684.db\u6587\u4ef6;<\/li>\n
                                                                                            11. \u652f\u6301\u4e8b\u52a1;<\/li>\n
                                                                                            12. \u6bcf\u4e00\u4e2aBDB\u8868\u90fd\u9700\u8981\u4e00\u4e2aprimary key,\u5982\u679c\u521b\u5efa\u65f6\u4e0d\u6307\u5b9a\u5219\u4f1a\u9690\u5f0f\u521b\u5efa\u4e00\u4e2a;<\/li>\n
                                                                                            13. SELECT COUNT(*) FROM tbl_name\u5bf9BDB\u8868\u5f88\u6162,\u56e0\u4e3a\u5728\u8be5\u8868\u4e2d\u6ca1\u6709\u884c\u8ba1\u6570\u88ab\u7ef4\u6301;<\/li>\n
                                                                                            14. \u4f7f\u7528\u9875\u9762\u7ea7\u522b\u7684\u9501;<\/li>\n
                                                                                            15. \u4f7f\u7528mysql\u5ba2\u6237\u7aef\u662f,\u5e94\u8be5\u4f7f\u7528–no-auto-rehash\u9009\u9879;<\/li>\n
                                                                                            16. BDB\u8868\u7684\u9650\u5236\n
                                                                                                \n
                                                                                              1. \u6bcf\u4e2aBDB\u8868\u5728.db\u6587\u4ef6\u91cc\u5b58\u50a8\u6587\u4ef6\u88ab\u521b\u5efa\u4e4b\u65f6\u5230\u8be5\u6587\u4ef6\u7684\u8def\u5f84,\u8fd9\u4e2a\u88ab\u505a\u6765\u5141\u8bb8\u5728\u652f\u6301symlinks\u7684\u591a\u7528\u6237\u73af\u5883\u91cc\u68c0\u6d4b\u9501\u5b9a.\u56e0\u6b64,\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u76ee\u5f55\u5f80\u53e6\u4e00\u4e2a\u76ee\u5f55\u79fb\u52a8BDB\u8868\u662f\u4e0d\u80fd\u7684;<\/li>\n
                                                                                              2. \u5f53\u5236\u4f5cBDB\u8868\u7684\u5907\u4efd\u4e4b\u65f6,\u4f60\u5fc5\u987b\u4f7f\u7528mysqldump\u8981\u4e48\u505a\u4e00\u4e2a\u5305\u542b\u5bf9\u6bcf\u4e2aBDB\u8868\u7684\u6587\u4ef6(.frm\u548c.db\u6587\u4ef6)\u53caBDB\u65e5\u5fd7\u6587\u4ef6\u7684\u5907\u4efd.BDB\u5b58\u50a8\u5f15\u64ce\u5728\u5b83\u7684\u65e5\u5fd7\u6587\u4ef6\u5b58\u50a8\u672a\u5b8c\u6210\u7684\u4e8b\u52a1\u4ee5\u53ca\u8981\u6c42\u5b83\u4eec\u5728mysqld\u542f\u52a8\u7684\u65f6\u5019\u88ab\u5448\u51fa\u6765.BDB\u65e5\u5fd7\u5728\u6570\u636e\u76ee\u5f55\u91cc,\u5177\u6709log.XXXXXXXXXX(10\u4f4d\u6570\u5b57)\u5f62\u5f0f\u540d\u5b57\u7684\u6587\u4ef6;<\/li>\n
                                                                                              3. \u5982\u679c\u5141\u8bb8NULL\u503c\u7684\u5217\u6709\u552f\u4e00\u7684\u7d22\u5f15,\u53ea\u6709\u5355\u4e2aNULL\u503c\u662f\u88ab\u5141\u8bb8\u7684,\u8fd9\u4e0d\u540c\u4e8e\u5176\u5b83\u5b58\u50a8\u5f15\u64ce;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n
                                                                                              4. EXAMPLE\n
                                                                                                  \n
                                                                                                1. EXAMPLE\u5f15\u64ce\u662f\u4e00\u4e2a\u4e0d\u505a\u9002\u5408\u4e8b\u60c5\u7684\u5b58\u50a8\u5f15\u64ce,\u4e3b\u8981\u7528\u4e8eMySql\u6e90\u7801\u4e2d\u4e00\u4e2a\u4f8b\u5b50\u7528\u6765\u6f14\u793a\u5982\u4f55\u5f00\u59cb\u7f16\u5199\u4e00\u4e2a\u65b0\u7684\u5b58\u50a8\u5f15\u64ce;<\/li>\n
                                                                                                2. \u9700\u8981\u5728configure\u65f6\u6dfb\u52a0–with-example-storage-engine\u9009\u9879;<\/li>\n
                                                                                                3. EXAMPLE\u5f15\u64ce\u4e0d\u652f\u6301\u7f16\u8bd1\u7d22\u5f15;<\/li>\n<\/ol>\n<\/li>\n
                                                                                                4. Archive\n
                                                                                                    \n
                                                                                                  1. ARCHIVE\u5f15\u64ce\u88ab\u7528\u6765\u4ee5\u975e\u5e38\u5c0f\u7684\u7a7a\u95f4\u5b58\u50a8\u5927\u91cf\u65e0\u7d22\u5f15\u6570\u636e;<\/li>\n
                                                                                                  2. \u8981\u4f7f\u7528\u6b64\u5f15\u64ce\u9700\u8981\u5728configure\u65f6\u6dfb\u52a0–with-archive-storage-engine\u9009\u9879;\u53ef\u4ee5\u901a\u8fc7show variables like ‘have_archive’\u67e5\u770b;<\/li>\n
                                                                                                  3. \u521b\u5efa\u4e00\u4e2aARCHIVE\u8868\u4f1a\u6709\u4e00\u4e2a\u4fdd\u5b58\u8868\u7ed3\u6784\u7684.frm\u6587\u4ef6,\u4fdd\u5b58\u6570\u636e\u548c\u5143\u6570\u636e\u7684.ARZ\u548c.ARM\u6587\u4ef6,\u5982\u679c\u6709\u4f18\u5316\u64cd\u4f5c\u7684\u8bdd\u8fd8\u6709\u4e00\u4e2a.ARN\u6587\u4ef6;<\/li>\n
                                                                                                  4. ARCHIVE\u5f15\u64ce\u4ec5\u4ec5\u652f\u6301SELECT\u548cINSERT\u64cd\u4f5c,\u4ee5\u9664\u4e86\u51e0\u4f55\u6570\u636e\u7c7b\u578b\u5916\u7684\u6240\u6709\u6570\u636e\u7c7b\u578b;<\/li>\n
                                                                                                  5. \u5b58\u50a8:\u5f53inesrt\u6570\u636e\u65f6,archive\u5f15\u64ce\u4f7f\u7528zlib\u65e0\u635f\u6570\u636e\u538b\u7f29\u7684\u65b9\u5f0f\u538b\u7f29,optimize table\u53ef\u4ee5\u5206\u6790\u8868,\u5e76\u6253\u5305\u4e3a\u66f4\u5c0f\u7684\u683c\u5f0f;<\/li>\n
                                                                                                  6. \u67e5\u8be2:\u5728\u67e5\u8be2\u6570\u636e\u65f6,\u8bb0\u5f55\u6839\u636e\u9700\u8981\u88ab\u52a0\u538b\u7f29,\u6ca1\u6709\u884c\u7f13\u5b58.SELECT\u64cd\u4f5c\u6267\u884c\u5b8c\u5168\u8868\u683c\u626b\u63cf,\u5f53\u4e00\u4e2aSELECT\u53d1\u751f\u65f6,\u5b83\u627e\u51fa\u5f53\u524d\u6709\u591a\u5c11\u884c\u53ef\u7528,\u5e76\u8bfb\u53d6\u884c\u7684\u6570\u91cf;<\/li>\n<\/ol>\n<\/li>\n
                                                                                                  7. CSV\n
                                                                                                      \n
                                                                                                    1. CSV\u5f15\u64ce\u4f7f\u7528\u9017\u53f7\u5206\u9694\u503c\u683c\u5f0f\u7684\u6587\u672c\u6587\u4ef6\u5b58\u50a8\u6570\u636e(eg:[“1″,”aaa”]);<\/li>\n
                                                                                                    2. \u8981\u60f3\u4f7f\u7528\u6b64\u5f15\u64ce\u5728configure\u65f6\u4f7f\u7528–with-csv-storage-engine\u9009\u9879;<\/li>\n
                                                                                                    3. CSV\u5f15\u64ce\u4e0d\u652f\u6301null\u503c,\u6240\u4ee5\u5728\u521b\u5efa\u65f6\u5e94\u52a0\u4e0anot null\u9009\u9879;<\/li>\n
                                                                                                    4. CSV\u5f15\u64ce\u4e0d\u652f\u6301\u7d22\u5f15;<\/li>\n
                                                                                                    5. \u521b\u5efaCSV\u8868\u4f1a\u5728\u6570\u636e\u5e93\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a.frm\u6587\u4ef6,\u4e00\u4e2a.CSV\u7684\u6587\u672c\u6587\u4ef6\u7528\u6765\u5b58\u50a8\u6570\u636e\u548c\u4e00\u4e2a.CSM\u6587\u4ef6;<\/li>\n<\/ol>\n<\/li>\n
                                                                                                    6. Blackhole\n
                                                                                                        \n
                                                                                                      1. BLACKHOLE\u5f15\u64ce\u5c31\u50cf\u9ed1\u6d1e\u4e00\u6837,\u5b83\u63a5\u6536\u6570\u636e\u4f46\u662f\u662f\u4e22\u5f03\u5b83\u800c\u4e0d\u662f\u5b58\u50a8\u5b83,\u67e5\u8be2\u65f6\u603b\u8fd4\u56deNULL;<\/li>\n
                                                                                                      2. \u521b\u5efaBLACKHOLE\u5f15\u64ce\u540e\u4f1a\u5728\u6570\u636e\u5e93\u76ee\u5f55\u521b\u5efa\u4e00\u4e2a.frm\u6587\u4ef6,\u6ca1\u6709\u5176\u5b83\u6587\u4ef6\u4e0e\u4e4b\u5173\u8054;<\/li>\n
                                                                                                      3. \u5b83\u652f\u6301\u6240\u6709\u7684\u7d22\u5f15;<\/li>\n
                                                                                                      4. \u8981\u60f3\u4f7f\u7528\u6b64\u5f15\u64ce\u5728configure\u65f6\u4f7f\u7528–with-blackhole-storage-engine\u9009\u9879;<\/li>\n
                                                                                                      5. \u7528\u9014:\n
                                                                                                          \n
                                                                                                        1. BLACKHOLE\u8868\u4e0d\u8bb0\u5f55\u4efb\u4f55\u6570\u636e,\u5982\u679c\u4e8c\u8fdb\u5236\u65e5\u5fd7\u88ab\u5141\u8bb8,SQL\u8bed\u53e5\u88ab\u5199\u5165\u65e5\u5fd7,\u53ef\u4ee5\u7528\u4f5c\u91cd\u590d\u5668\u6216\u8005\u8fc7\u6ee4\u5668\u673a\u5236;<\/li>\n
                                                                                                        2. \u8f6c\u50a8\u6587\u4ef6\u8bed\u6cd5\u7684\u9a8c\u8bc1;<\/li>\n
                                                                                                        3. \u6765\u81ea\u4e8c\u8fdb\u5236\u8bb0\u5f55\u7684\u5f00\u9500\u6d4b\u91cf,\u901a\u8fc7\u6bd4\u8f83\u5141\u8bb8\u4e8c\u8fdb\u5236\u65e5\u5fd7\u529f\u80fd\u7684BLACKHOLE\u7684\u6027\u80fd\u4e0e\u7981\u6b62\u4e8c\u8fdb\u5236\u529f\u80fd\u7684BLACKHOLE\u7684\u6027\u80fd;<\/li>\n
                                                                                                        4. \u56e0\u4e3aBLACKHOLE\u672c\u8d28\u662f\u4e00\u4e2ano-op\u5b58\u50a8\u5f15\u64ce,\u53ef\u4ee5\u7528\u6765\u67e5\u627e\u4e0e\u5f15\u64ce\u81ea\u8eab\u4e0d\u76f8\u5173\u7684\u6027\u80fd\u74f6\u9888;<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                                                                                                          MySql Storage Engines \u5b58\u50a8\u5f15\u64ce\u7684\u6982\u8ff0 MySql\u670d\u52a1\u5668\u7ba1\u7406\u7684\u8868\u90fd\u6709\u4e00\u4e9b\u76f8\u4f3c\u4e4b\u5904:\u6bd4\u5982,\u6570 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[27],"class_list":["post-382","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=382"}],"version-history":[{"count":0,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/382\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=382"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}