— \u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e;
\n1.\u53ef\u7528\u7684\u5bfc\u51fa\/\u5bfc\u5165\u64cd\u4f5c\u7c7b\u578b:
\n 1.\u4f7f\u7528SELECT…INTO OUTFILE\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u6587\u4ef6;
\n 2.\u4f7f\u7528LOAD DATA INFILE\u8bed\u53e5\u4ece\u6587\u4ef6\u4e2d\u5bfc\u5165\u6570\u636e;
\n2.\u6570\u636e\u5bfc\u51fa\u64cd\u4f5c\u7684\u7528\u9014:
\n 1.\u5c06\u6570\u636e\u5e93\u4ece\u4e00\u4e2a\u670d\u52a1\u5668\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u670d\u52a1\u5668:
\n 1.\u4ece\u540c\u4e00\u4e3b\u673a;
\n 2.\u590d\u5236\u5230\u53e6\u4e00\u4e3b\u673a;
\n 2.\u4f7f\u7528\u5b9e\u9645\u6570\u636e\u6d4b\u8bd5\u65b0MySQL\u7248\u672c;
\n 3.\u5c06\u6570\u636e\u4ece\u4e00\u4e2aRDBMS\u4f20\u8f93\u5230\u53e6\u4e00\u4e2aRDBMS,\u5f02\u6784\u6570\u636e\u5e93\u95f4\u540c\u6b65;<\/p>\n
— \u901a\u8fc7\u540c\u65f6\u4f7f\u7528SELECT\u548cINTO OUTFILE\u6765\u5bfc\u51fa\u6570\u636e;
\n1.\u5c06SELECT\u4e0eINTO OUTFILE\u4e00\u8d77\u4f7f\u7528:
\n 1.\u5c06\u7ed3\u679c\u96c6\u76f4\u63a5\u5199\u5165\u6587\u4ef6;
\n 2.\u9664\u975e\u53e6\u6709\u8bf4\u660e,\u5426\u5219,\u5047\u5b9a\u6587\u4ef6\u8def\u5f84\u4f4d\u4e8e\u6570\u636e\u5e93\u6570\u636e\u76ee\u5f55\u4e0b:SELECT * INTO OUTFILE ‘\/tmp\/City.txt’ FROM City;
\n2.\u8f93\u51fa\u6587\u4ef6:
\n 1.\u5199\u5165\u670d\u52a1\u5668\u4e3b\u673a,\u800c\u4e0d\u662f\u901a\u8fc7\u7f51\u7edc\u5199\u5165\u5ba2\u6237\u673a;\u6587\u4ef6\u4e0d\u80fd\u5df2\u5b58\u5728;
\n 2.\u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u8bbf\u95ee\u6743\u9650\u8fdb\u884c\u521b\u5efa:\u7528\u6237\u5fc5\u987b\u8981\u6709\u521b\u5efa\u6587\u4ef6\u7684\u6743\u9650,\u751f\u6210\u7684\u6587\u4ef6\u5c5e\u4e8e\u8be5\u7528\u6237,\u6587\u4ef6\u5bf9\u6240\u6709\u7528\u6237\u53ef\u8bfb;
\n 3.\u9488\u5bf9\u8bed\u53e5\u6240\u9009\u7684\u6bcf\u4e00\u884c,\u90fd\u5305\u542b\u5bf9\u5e94\u7684\u4e00\u884c;\u9ed8\u8ba4\u60c5\u51b5\u4e0b,\u5217\u503c\u7531\u5236\u8868\u7b26\u5206\u9694,\u800c\u884c\u5728\u6362\u884c\u7b26\u5904\u7ec8\u6b62;
\n\u8865\u5145:
\n 1.\u4ece\u670d\u52a1\u5668\u7aef\u5bfc\u51fa\u6587\u672c\u6587\u4ef6\u5230\u670d\u52a1\u5668:SELECT * FROM tbname INTO OUTFILE ‘\/path’;
\n 2.\u4ece\u5ba2\u6237\u7aef\u5bfc\u51fa\u6587\u672c\u5230\u5ba2\u6237\u7aef;mysql -e ‘SELECT * FROM tbname’ > ‘\/path’;<\/p>\n
— \u4f7f\u7528\u6570\u636e\u6587\u4ef6\u683c\u5f0f\u8bf4\u660e\u7b26;
\n1.\u9ed8\u8ba4\u60c5\u51b5\u4e0b,\u5c06SELECT\u548cINTO OUTFILE\u4e00\u8d77\u4f7f\u7528\u5c06\u8f93\u51faTSV(Tab-Separated Values);
\n 1.\u201c\u5236\u8868\u7b26\u5206\u9694\u503c\u201d\u6587\u4ef6\u7528\u5236\u8868\u7b26\u5206\u9694\u5217,\u7528\u6362\u884c\u7b26\u5206\u9694\u8bb0\u5f55;
\n 2.CSV(Comma-Separated Values):\u4f7f\u7528\u9017\u53f7[,]\u7b26\u53f7\u5206\u5272\u5217,\u7528\u6362\u884c\u7b26\u5206\u9694\u8bb0\u5f55;
\n2.\u60a8\u53ef\u4ee5\u9009\u62e9\u66ff\u4ee3\u7684\u5206\u9694\u7b26:
\n FIELDS
\n TERMINATED BY ‘string’
\n ENCLOSED BY ‘char’
\n ESCAPED BY ‘char’
\n LINES TERMINATED BY ‘string’
\n \u2013 FIELDS\u5b50\u53e5\u6307\u5b9a\u5982\u4f55\u663e\u793a\u5217:
\n 1.TERMINATED BY\u6307\u5b9a\u5b57\u6bb5\u5206\u9694\u7b26,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u5236\u8868\u7b26;
\n 2.ENCLOSED BY\u6307\u5b9a\u5982\u4f55\u5f15\u4f4f\u5217\u503c,\u9ed8\u8ba4\u8bbe\u7f6e\u4e3a\u4e0d\u4f7f\u7528\u5f15\u53f7(\u5373,\u9ed8\u8ba4\u503c\u4e3a\u7a7a\u5b57\u7b26\u4e32);
\n 3.ESCAPED BY\u6307\u660e\u5f53\u8868\u793a\u6362\u884c\u7b26\u6216\u5236\u8868\u7b26\u4e4b\u7c7b\u7684\u975e\u6253\u5370\u5b57\u7b26\u65f6\u8981\u4f7f\u7528\u7684\u8f6c\u4e49\u7b26,\u9ed8\u8ba4\u8f6c\u4e49\u7b26\u662f\u53cd\u659c\u6760(\\)\u5b57\u7b26;
\n \u2013 LINES TERMINATED BY\u5b50\u53e5\u6307\u5b9a\u884c\u5206\u9694\u7b26,\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u6362\u884c\u7b26;<\/p>\n
— \u8f6c\u4e49\u5e8f\u5217;
\n1.\u884c\u7ec8\u7ed3\u7b26\u8bf4\u660e\u7b26:
\n 1.\u9ed8\u8ba4\u4e3a\u6362\u884c\u7b26:\u547d\u4ee4\u884c\u7ec8\u7ed3\u7b26\u5305\u62ec\u6362\u884c\u7b26\u548c\u56de\u8f66\/\u6362\u884c\u7b26\u5bf9;(\u9ed8\u8ba4\u7684\u6362\u884c\u7b26\u7ec8\u7ed3\u7b26\u5e38\u89c1\u4e8eLinux\u7cfb\u7edf,\u800c\u56de\u8f66\/\u6362\u884c\u7b26\u5bf9\u5e38\u89c1\u4e8eWindows\u7cfb\u7edf)
\n 2.\u5e7b\u706f\u7247\u4e2d\u6240\u663e\u793a\u7684\u6240\u6709\u5e8f\u5217\u5355\u72ec\u4f7f\u7528\u6216\u8005\u5728\u8f83\u957f\u7684\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528,\u4f46\\N\u9664\u5916,\u8be5\u5e8f\u5217\u53ea\u6709\u5728\u5355\u72ec\u51fa\u73b0\u65f6\u624d\u7528\u4f5cNULL;
\n2.ESCAPED BY\u9009\u9879:
\n 1.\u4ec5\u63a7\u5236\u6570\u636e\u6587\u4ef6\u4e2d\u503c\u7684\u8f93\u51fa,\u5b83\u4e0d\u4f1a\u66f4\u6539MySQL\u89e3\u91ca\u8bed\u53e5\u4e2d\u7279\u6b8a\u5b57\u7b26\u7684\u65b9\u5f0f;
\n 2.\u5982\u679c\u901a\u8fc7\u5199\u5165ESCAPED BY ‘@’\u6307\u5b9a\u6570\u636e\u6587\u4ef6\u8f6c\u4e49\u7b26\u4e3a\u201c@\u201d,\u5e76\u4e0d\u8868\u793a\u5fc5\u987b\u4f7f\u7528\u201c@\u201d\u6765\u8f6c\u4e49\u8bed\u53e5\u4e2d\u5176\u4ed6\u7684\u7279\u6b8a\u5b57\u7b26;\u60a8\u5fc5\u987b\u4f7f\u7528 MySQL\u7684\u8f6c\u4e49\u7b26(\u53cd\u659c\u6760:\\)\u6765\u8f6c\u4e49\u8bed\u53e5\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26,\u4f7f\u7528LINES TERMINATED BY ‘\\r\\n'(\u800c\u4e0d\u662fLINES TERMINATED BY ‘@r@n’)\u4e4b\u7c7b\u7684\u8bed\u6cd5;<\/p>\n
— \u4f7f\u7528LOAD DATA INFILE\u5bfc\u5165\u6570\u636e;
\n1.\u67e5\u770b\u5e2e\u52a9:HELP LOAD DATA;
\n2.\u8bf4\u660e:
\n 1.\u5c06\u6587\u4ef6\u4e2d\u7684\u884c\u503c\u8bfb\u5165\u8868;
\n 2.\u662fSELECT…INTO OUTFILE\u7684\u9006\u5411\u64cd\u4f5c;
\n 3.\u4f7f\u7528\u76f8\u4f3c\u7684\u5b50\u53e5\u548c\u683c\u5f0f\u8bf4\u660e\u7b26:
\n LOAD DATA INFILE ‘\/tmp\/City.txt’ FIELDS TERMINATED BY ‘\\t’
\n INTO TABLE City;
\n 4.\u5047\u5b9a\u6587\u4ef6\u4f4d\u4e8e\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u7684\u6570\u636e\u5e93\u6570\u636e\u76ee\u5f55\u4e2d
\n\u8865\u5145:
\n 1.\u4ece\u670d\u52a1\u5668\u7aef\u5bfc\u5165\u6587\u672c\u6587\u4ef6\u670d\u52a1\u5668:LOAD DATA INFILE ‘\/path’;
\n 2.\u4ece\u5ba2\u6237\u7aef\u5bfc\u5165\u6587\u672c\u6587\u4ef6\u5230\u670d\u52a1\u5668:LOAD DATA LOCAL INFILE ‘\/path’;<\/p>\n
— \u8df3\u8fc7\u6216\u53d8\u6362\u8f93\u5165\u6570\u636e;
\n1.\u8981\u5ffd\u7565\u6570\u636e\u6587\u4ef6\u4e2d\u7684\u884c,\u8bf7\u4f7f\u7528IGNORE n LINES:
\n 1.mysql> LOAD DATA INFILE \/tmp\/City.txt’ INTO TABLE City IGNORE 2 LINES;
\n 2.\u5ffd\u7565\u6570\u636e\u6587\u4ef6\u7684\u5f00\u59cb\u90e8\u5206;\u5f53\u6587\u4ef6\u4ee5\u5217\u540d\u884c(\u800c\u4e0d\u662f\u6570\u636e\u503c\u884c)\u5f00\u59cb\u65f6,\u8bf7\u4f7f\u7528\u6b64\u5b50\u53e5;
\n2.\u8981\u5ffd\u7565\u6216\u53d8\u6362\u5217\u503c,\u8bf7\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c:
\n 1.\u5728\u8bed\u53e5\u5217\u7684\u5217\u8868\u4e2d\u6307\u5b9a\u7528\u6237\u53d8\u91cf(\u800c\u4e0d\u662f\u5217\u540d\u79f0);
\n 2.(\u53ef\u9009)\u901a\u8fc7\u4f7f\u7528SET\u5b50\u53e5\u53d8\u6362\u5217(\u8be5\u5b50\u53e5\u7684\u8bed\u6cd5\u7c7b\u4f3c\u4e8eUPDATE\u8bed\u53e5\u4e2d\u7684SET\u5b50\u53e5):
\n LOAD DATA INFILE ‘\/tmp\/City.txt’
\n INTO TABLE City ( @skip, @Name, CountryCode, @District, Population)
\n SET name=CONCAT(@Name,’ ‘,@District);
\n 3.\u8be5\u8bed\u53e5\u5c06\u5ffd\u7565SET\u8868\u8fbe\u5f0f\u4e2d\u672a\u4f7f\u7528\u7684\u53d8\u91cf\u7684\u503c;
\n 4.\u5728\u5c06\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u7684\u6570\u636e\u503c\u63d2\u5165\u8868\u4e2d\u4e4b\u524d,LOAD DATA INFILE\u5c06\u5bf9\u5176\u8fdb\u884c\u53d8\u6362,\u5904\u7406\u7528\u6237\u53d8\u91cf\u4e2d\u6240\u5305\u542b\u7684\u503c;<\/p>\n
eg:
\n1.\u521b\u5efa\u8868;CREATE TABLE City1 LIKE City;
\n2.\u4fee\u6539\u5217\u957f\u5ea6:ALTER TABLE City MODIFY COLUMN name char(100);
\n3.\u5bfc\u5165\u6570\u636e:
\nLOAD DATA INFILE ‘\/tmp\/City1.txt’
\nINTO TABLE City1 ( @skip, @Name, CountryCode, @District, Population)
\nSET name=CONCAT(@Name,’ ‘,@District);
\n4.\u67e5\u770b\u6570\u636e:SELECT * FROM City1 LIMIT 10;<\/p>\n
— \u91cd\u590d\u8bb0\u5f55;
\n1.\u8981\u63a7\u5236LOAD DATA INFILE\u5bf9\u5305\u542b\u91cd\u590d\u7684\u4e3b\u952e\u6216\u552f\u4e00\u952e\u7684\u884c\u7684\u5904\u7406\u65b9\u5f0f,\u8bf7\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c:
\n 1.\u4f7f\u7528IGNORE\u5173\u952e\u5b57\u653e\u5f03\u5305\u542b\u91cd\u590d\u952e\u7684\u884c;
\n 2.\u4f7f\u7528REPLACE\u5173\u952e\u5b57\u5c06\u8fd9\u4e9b\u884c\u66ff\u6362\u4e3a\u6587\u4ef6\u4e2d\u5305\u542b\u76f8\u540c\u952e\u7684\u7248\u672c;
\n2.\u8fd9\u4e0e\u4f7f\u7528INSERT\u548cREPLACE\u8bed\u53e5\u63a7\u5236\u91cd\u590d\u9879\u7684\u65b9\u6cd5\u7c7b\u4f3c:
\n 1.IGNORE;
\n 2.ON DUPLICATE KEY UPDATE;
\n3.\u5176\u91cd\u590d\u9879\u5904\u7406\u884c\u4e3a\u6839\u636e\u6570\u636e\u6587\u4ef6\u662f\u4f4d\u4e8e\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u8fd8\u662f\u4f4d\u4e8e\u5ba2\u6237\u673a\u4e3b\u673a\u4e0a\u800c\u7a0d\u6709\u4e0d\u540c,\u6240\u4ee5\u4f7f\u7528LOAD DATA INFILE\u65f6,\u5fc5\u987b\u8003\u8651\u6570\u636e\u6587\u4ef6\u7684\u4f4d\u7f6e:
\n 1.\u4ece\u670d\u52a1\u5668\u4e3b\u673a\u88c5\u5165\u6587\u4ef6:
\n 1.\u9ed8\u8ba4\u60c5\u51b5\u4e0b,\u8f93\u5165\u8bb0\u5f55\u9020\u6210\u91cd\u590d\u952e\u8fdd\u89c4\u5c06\u4ea7\u751f\u4e00\u4e2a\u9519\u8bef,\u4e0d\u4f1a\u88c5\u5165\u6570\u636e\u6587\u4ef6\u7684\u5269\u4f59\u90e8\u5206,\u8be5\u70b9\u4e4b\u524d\u7684\u5df2\u5904\u7406\u8bb0\u5f55\u5c06\u88ab\u88c5\u5165\u8868\u4e2d;
\n 2.\u5982\u679c\u5728\u6587\u4ef6\u540d\u540e\u63d0\u4f9bIGNORE\u5173\u952e\u5b57,\u5c06\u5ffd\u7565\u9020\u6210\u91cd\u590d\u952e\u8fdd\u89c4\u7684\u65b0\u8bb0\u5f55,\u5e76\u4e14\u8bed\u53e5\u4e0d\u4f1a\u751f\u6210\u9519\u8bef;LOAD DATA INFILE\u5c06\u5904\u7406\u6574\u4e2a\u6587\u4ef6,\u88c5\u5165\u6240\u6709\u4e0d\u5305\u542b\u91cd\u590d\u952e\u7684\u8bb0\u5f55,\u5e76\u653e\u5f03\u5269\u4f59\u8bb0\u5f55;
\n 3.\u5982\u679c\u5728\u6587\u4ef6\u540d\u540e\u63d0\u4f9bREPLACE\u5173\u952e\u5b57,\u9020\u6210\u91cd\u590d\u952e\u8fdd\u89c4\u7684\u65b0\u8bb0\u5f55\u5c06\u66ff\u6362\u8868\u4e2d\u73b0\u5b58\u7684\u5305\u542b\u91cd\u590d\u952e\u503c\u7684\u4efb\u4f55\u8bb0\u5f55;LOAD DATA INFILE\u5c06\u5904\u7406\u6574\u4e2a\u6587\u4ef6,\u5c06\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u8bb0\u5f55\u88c5\u5165\u8868\u4e2d;
\n 2.\u4ece\u5ba2\u6237\u673a\u4e3b\u673a\u88c5\u5165\u6587\u4ef6:
\n 1.\u9ed8\u8ba4\u60c5\u51b5\u4e0bLOAD DATA INFILE\u5c06\u5ffd\u7565\u5305\u542b\u91cd\u590d\u952e\u7684\u8bb0\u5f55;\u5373,\u9ed8\u8ba4\u884c\u4e3a\u4e0e\u6307\u5b9aIGNORE\u9009\u9879\u65f6\u76f8\u540c;
\n 2.\u8fd9\u662f\u56e0\u4e3a\u5ba2\u6237\u673a\/\u670d\u52a1\u5668\u534f\u8bae\u4e0d\u5141\u8bb8\u5728\u4f20\u8f93\u5f00\u59cb\u540e\u4e2d\u65ad\u4ece\u5ba2\u6237\u673a\u4e3b\u673a\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u6587\u4ef6\u4f20\u8f93,\u56e0\u6b64\u4e0d\u65b9\u4fbf\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u4e2d\u6b62\u64cd\u4f5c;<\/p>\n
— \u8865\u5145:
\n1.mysqldump:\u4f1a\u5728\u5907\u4efd\u6062\u590d\u65f6\u5019\u8bb2;
\n2.mysqlimport:\u5c31\u662fLOAD DATA INFILE\u7684\u5ba2\u6237\u7aef\u7248;
\n2.mysqlexp:\u5c31\u662fSELECT INTO OUTFILE\u7684\u5ba2\u6237\u7aef\u7248;<\/p>\n
— \u8bfe\u540e\u7ec3\u4e60;<\/p>\n","protected":false},"excerpt":{"rendered":"
— \u5bfc\u51fa\u548c\u5bfc\u5165\u6570\u636e; 1.\u53ef\u7528\u7684\u5bfc\u51fa\/\u5bfc\u5165\u64cd\u4f5c\u7c7b\u578b: 1.\u4f7f\u7528SELECT…INTO […]<\/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":[27,31],"class_list":["post-1315","post","type-post","status-publish","format-standard","hentry","category-mysql","tag-mysql","tag-mysql_ocp"],"_links":{"self":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1315","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=1315"}],"version-history":[{"count":1,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions"}],"predecessor-version":[{"id":1316,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=\/wp\/v2\/posts\/1315\/revisions\/1316"}],"wp:attachment":[{"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1315"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.royalwzy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}