{"id":175,"date":"2011-06-05T01:50:15","date_gmt":"2011-06-05T01:50:15","guid":{"rendered":"82161242827b703e6acf9c726942a1e4"},"modified":"2011-06-05T01:50:15","modified_gmt":"2011-06-05T01:50:15","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/175","title":{"rendered":"\u5907\u4efdmysql\u6570\u636e"},"content":{"rendered":"

\u5176\u5b9e\u4f60\u7684\u8fd9\u4e2a\u95ee\u9898\u662fmysql\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u95ee\u9898\uff0c\u65e2mysql\u6570\u636e\u7684\u5907\u4efd\u548c\u6062\u590d
\n\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e09\u79cd\u65b9\u5f0f
\n1.\u4f7f\u7528sql\u8bed\u53e5\u5bfc\u5165\u5bfc\u51fa
\n2.\u4f7f\u7528mysqldump \u548cmysqlimport \u5de5\u5177
\n3.\u76f4\u63a5copy \u6570\u636e\u6587\u4ef6 \u65e2\u51b7\u5907\u4efd
\n\u4f60\u8bf4\u8bf4\u7684\u8be6\u7ec6\uff0c\u5c31\u7ed9\u79ef\u5206\uff0c\u90a3\u6211\u5c31\u8bf4\u8be6\u7ec6\u4e9b<\/p>\n

\u4e00.\u4f7f\u7528sql\u8bed\u53e5\u5b8c\u6210mysql\u7684\u5907\u4efd\u548c\u6062\u590d<\/p>\n

\u4f60\u53ef\u4ee5\u4f7f\u7528SELECT INTO OUTFILE\u8bed\u53e5\u5907\u4efd\u6570\u636e\uff0c\u5e76\u7528LOAD DATA INFILE\u8bed\u53e5\u6062\u590d\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ea\u80fd\u5bfc\u51fa\u6570<\/p>\n

\u636e\u7684\u5185\u5bb9\uff0c\u4e0d\u5305\u62ec\u8868\u7684\u7ed3\u6784\uff0c\u5982\u679c\u8868\u7684\u7ed3\u6784\u6587\u4ef6\u635f\u574f\uff0c\u4f60\u5fc5\u987b\u8981\u5148\u6062\u590d\u539f\u6765\u7684\u8868\u7684\u7ed3\u6784\u3002
\n\u8bed\u6cd5\uff1a
\nSELECT * INTO {OUTFILE | DUMPFILE} 'file_name' FROM tbl_name
\nLOAD DATA [LOW_PRIORITY] [LOCAL] INFILE 'file_name.txt' [REPLACE | IGNORE]
\nINTO TABLE tbl_name
\nSELECT ... INTO OUTFILE 'file_name'\u683c\u5f0f\u7684SELECT\u8bed\u53e5\u5c06\u9009\u62e9\u7684\u884c\u5199\u5165\u4e00\u4e2a\u6587\u4ef6\u3002\u6587\u4ef6\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u88ab\u521b\u5efa\uff0c\u5e76\u4e14\u4e0d\u80fd\u662f\u5df2\u7ecf\u5b58\u5728\u7684(\u4e0d\u7ba1\u522b\u7684\uff0c\u8fd9\u53ef\u963b\u6b62\u6570\u636e\u5e93\u8868\u548c\u6587\u4ef6\u4f8b\u5982\u201c\/etc\/passwd\u201d\u88ab\u7834\u574f)\u3002SELECT ... INTO OUTFILE\u662fLOAD DATA INFILE\u9006\u64cd\u4f5c\u3002
\nLOAD DATA INFILE\u8bed\u53e5\u4ece\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u4e2d\u4ee5\u5f88\u9ad8\u7684\u901f\u5ea6\u8bfb\u5165\u4e00\u4e2a\u8868\u4e2d\u3002\u5982\u679c\u6307\u5b9aLOCAL\u5173\u952e\u8bcd\uff0c\u4ece\u5ba2\u6237\u4e3b\u673a\u8bfb\u6587\u4ef6\u3002\u5982\u679cLOCAL\u6ca1\u6307\u5b9a\uff0c\u6587\u4ef6\u5fc5\u987b\u4f4d\u4e8e\u670d\u52a1\u5668\u4e0a\u3002(LOCAL\u5728MySQL3.22.6\u6216\u4ee5\u540e\u7248\u672c\u4e2d\u53ef\u7528\u3002)
\n\u4e3a\u4e86\u5b89\u5168\u539f\u56e0\uff0c\u5f53\u8bfb\u53d6\u4f4d\u4e8e\u670d\u52a1\u5668\u4e0a\u7684\u6587\u672c\u6587\u4ef6\u65f6\uff0c\u6587\u4ef6\u5fc5\u987b\u5904\u4e8e\u6570\u636e\u5e93\u76ee\u5f55\u6216\u53ef\u88ab\u6240\u6709\u4eba\u8bfb\u53d6\u3002\u53e6\u5916\uff0c\u4e3a\u4e86\u5bf9\u670d\u52a1\u5668\u4e0a\u6587\u4ef6\u4f7f\u7528LOAD DATA INFILE\uff0c\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u4f60\u5fc5\u987b\u6709file\u7684\u6743\u9650\u3002\u4f7f\u7528\u8fd9\u79cdSELECT INTO OUTFILE\u8bed\u53e5\uff0c\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u4f60\u5fc5\u987b\u6709FILE\u6743\u9650\u3002
\n\u4e3a\u4e86\u907f\u514d\u91cd\u590d\u8bb0\u5f55\uff0c\u5728\u8868\u4e2d\u4f60\u9700\u8981\u4e00\u4e2aPRIMARY KEY\u6216UNIQUE\u7d22\u5f15\u3002\u5f53\u5728\u552f\u4e00\u7d22\u5f15\u503c\u4e0a\u4e00\u4e2a\u65b0\u8bb0\u5f55\u4e0e\u4e00\u4e2a\u8001\u8bb0\u5f55\u91cd\u590d\u65f6\uff0cREPLACE\u5173\u952e\u8bcd\u4f7f\u5f97\u8001\u8bb0\u5f55\u7528\u4e00\u4e2a\u65b0\u8bb0\u5f55\u66ff\u4ee3\u3002\u5982\u679c\u4f60\u6307\u5b9aIGNORE\uff0c\u8df3\u8fc7\u6709\u552f\u4e00\u7d22\u5f15\u7684\u73b0\u6709\u884c\u7684\u91cd\u590d\u884c\u7684\u8f93\u5165\u3002\u5982\u679c\u4f60\u4e0d\u6307\u5b9a\u4efb\u4f55\u4e00\u4e2a\u9009\u9879\uff0c\u5f53\u627e\u5230\u91cd\u590d\u7d22\u5f15\u503c\u65f6\uff0c\u51fa\u73b0\u4e00\u4e2a\u9519\u8bef\uff0c\u5e76\u4e14\u6587\u672c\u6587\u4ef6\u7684\u4f59\u4e0b\u90e8\u5206\u88ab\u5ffd\u7565\u65f6\u3002
\n\u5982\u679c\u4f60\u6307\u5b9a\u5173\u952e\u8bcdLOW_PRIORITY\uff0cLOAD DATA\u8bed\u53e5\u7684\u6267\u884c\u88ab\u63a8\u8fdf\u5230\u6ca1\u6709\u5176\u4ed6\u5ba2\u6237\u8bfb\u53d6\u8868\u540e\u3002
\n\u4f7f\u7528LOCAL\u5c06\u6bd4\u8ba9\u670d\u52a1\u5668\u76f4\u63a5\u5b58\u53d6\u6587\u4ef6\u6162\u4e9b\uff0c\u56e0\u4e3a\u6587\u4ef6\u7684\u5185\u5bb9\u5fc5\u987b\u4ece\u5ba2\u6237\u4e3b\u673a\u4f20\u9001\u5230\u670d\u52a1\u5668\u4e3b\u673a\u3002\u5728\u53e6\u4e00\u65b9\u9762\uff0c\u4f60\u4e0d\u9700\u8981file\u6743\u9650\u88c5\u8f7d\u672c\u5730\u6587\u4ef6\u3002\u5982\u679c\u4f60\u4f7f\u7528LOCAL\u5173\u952e\u8bcd\u4ece\u4e00\u4e2a\u672c\u5730\u6587\u4ef6\u88c5\u8f7d\u6570\u636e\uff0c\u670d\u52a1\u5668\u6ca1\u6709\u529e\u6cd5\u5728\u64cd\u4f5c\u7684\u5f53\u4e2d\u505c\u6b62\u6587\u4ef6\u7684\u4f20\u8f93\uff0c\u56e0\u6b64\u7f3a\u7701\u7684\u884c\u4e3a\u597d\u50cfIGNORE\u88ab\u6307\u5b9a\u4e00\u6837\u3002
\n\u5f53\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u5bfb\u627e\u6587\u4ef6\u65f6\uff0c\u670d\u52a1\u5668\u4f7f\u7528\u4e0b\u5217\u89c4\u5219\uff1a
\n\uf06c \u5982\u679c\u7ed9\u51fa\u4e00\u4e2a\u7edd\u5bf9\u8def\u5f84\u540d\uff0c\u670d\u52a1\u5668\u4f7f\u7528\u8be5\u8def\u5f84\u540d\u3002
\n\uf06c \u5982\u679c\u7ed9\u51fa\u4e00\u4e2a\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u524d\u7f6e\u90e8\u4ef6\u7684\u76f8\u5bf9\u8def\u5f84\u540d\uff0c\u670d\u52a1\u5668\u76f8\u5bf9\u670d\u52a1\u5668\u7684\u6570\u636e\u76ee\u5f55\u641c\u7d22\u6587\u4ef6\u3002
\n\uf06c \u5982\u679c\u7ed9\u51fa\u4e00\u4e2a\u6ca1\u6709\u524d\u7f6e\u90e8\u4ef6\u7684\u4e00\u4e2a\u6587\u4ef6\u540d\uff0c\u670d\u52a1\u5668\u5728\u5f53\u524d\u6570\u636e\u5e93\u7684\u6570\u636e\u5e93\u76ee\u5f55\u5bfb\u627e\u6587\u4ef6\u3002
\n\u5047\u5b9a\u8868tbl_name\u5177\u6709\u4e00\u4e2aPRIMARY KEY\u6216UNIQUE\u7d22\u5f15\uff0c\u5907\u4efd\u4e00\u4e2a\u6570\u636e\u8868\u7684\u8fc7\u7a0b\u5982\u4e0b\uff1a
\n1\u3001\u9501\u5b9a\u6570\u636e\u8868\uff0c\u907f\u514d\u5728\u5907\u4efd\u8fc7\u7a0b\u4e2d\uff0c\u8868\u88ab\u66f4\u65b0
\nmysql>LOCK TABLES READ tbl_name;
\n\u5173\u4e8e\u8868\u7684\u9501\u5b9a\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5c06\u5728\u4e0b\u4e00\u7ae0\u4ecb\u7ecd\u3002
\n2\u3001\u5bfc\u51fa\u6570\u636e
\nmysql>SELECT * INTO OUTFILE \u2018tbl_name.bak\u2019 FROM tbl_name;
\n3\u3001\u89e3\u9501\u8868
\nmysql>UNLOCK TABLES;
\n\u76f8\u5e94\u7684\u6062\u590d\u5907\u4efd\u7684\u6570\u636e\u7684\u8fc7\u7a0b\u5982\u4e0b\uff1a
\n1\u3001\u4e3a\u8868\u589e\u52a0\u4e00\u4e2a\u5199\u9501\u5b9a\uff1a
\nmysql>LOCK TABLES tbl_name WRITE;
\n2\u3001\u6062\u590d\u6570\u636e
\nmysql>LOAD DATA INFILE \u2018tbl_name.bak\u2019
\n  ->REPLACE INTO TABLE tbl_name;
\n\u5982\u679c\uff0c\u4f60\u6307\u5b9a\u4e00\u4e2aLOW_PRIORITY\u5173\u952e\u5b57\uff0c\u5c31\u4e0d\u5fc5\u5982\u4e0a\u8981\u5bf9\u8868\u9501\u5b9a\uff0c\u56e0\u4e3a\u6570\u636e\u7684\u5bfc\u5165\u5c06\u88ab\u63a8\u8fdf\u5230\u6ca1\u6709\u5ba2\u6237\u8bfb\u8868\u4e3a\u6b62\uff1a
\nmysql>LOAD DATA  LOW_PRIORITY  INFILE \u2018tbl_name\u2019
\n  ->REPLACE INTO TABLE tbl_name;
\n3\u3001\u89e3\u9501\u8868
\nmysql->UNLOCAK TABLES;
\n5.3.2\u4f7f\u7528mysqlimport\u6062\u590d\u6570\u636e
\n\u5982\u679c\u4f60\u4ec5\u4ec5\u6062\u590d\u6570\u636e\uff0c\u90a3\u4e48\u5b8c\u5168\u6ca1\u6709\u5fc5\u8981\u5728\u5ba2\u6237\u673a\u4e2d\u6267\u884cSQL\u8bed\u53e5\uff0c\u56e0\u4e3a\u4f60\u53ef\u4ee5\u7b80\u5355\u7684\u4f7f\u7528mysqlimport\u7a0b\u5e8f\uff0c\u5b83\u5b8c\u5168\u662f\u4e0eLOAD DATA \u8bed\u53e5\u5bf9\u5e94\u7684\uff0c\u7531\u53d1\u9001\u4e00\u4e2aLOAD DATA INFILE\u547d\u4ee4\u5230\u670d\u52a1\u5668\u6765\u8fd0\u4f5c\u3002\u6267\u884c\u547d\u4ee4mysqlimport --help\uff0c\u4ed4\u7ec6\u67e5\u770b\u8f93\u51fa\uff0c\u4f60\u53ef\u4ee5\u4ece\u8fd9\u91cc\u5f97\u5230\u5e2e\u52a9\u3002
\nshell> mysqlimport [options] db_name filename ...
\n\u5bf9\u4e8e\u5728\u547d\u4ee4\u884c\u4e0a\u547d\u540d\u7684\u6bcf\u4e2a\u6587\u672c\u6587\u4ef6\uff0cmysqlimport\u5265\u53bb\u6587\u4ef6\u540d\u7684\u6269\u5c55\u540d\u5e76\u4e14\u4f7f\u7528\u5b83\u51b3\u5b9a\u54ea\u4e2a\u8868\u5bfc\u5165\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff0c\u540d\u4e3a\u201cpatient.txt\u201d\u3001\u201cpatient.text\u201d\u548c\u201cpatient\u201d\u5c06\u5168\u90e8\u88ab\u5bfc\u5165\u540d\u4e3apatient\u7684\u4e00\u4e2a\u8868\u4e2d\u3002
\n\u5e38\u7528\u7684\u9009\u9879\u4e3a\uff1a
\n-C, --compress \u5982\u679c\u5ba2\u6237\u548c\u670d\u52a1\u5668\u5747\u652f\u6301\u538b\u7f29\uff0c\u538b\u7f29\u4e24\u8005\u4e4b\u95f4\u7684\u6240\u6709\u4fe1\u606f\u3002
\n-d, --delete \u5728\u5bfc\u5165\u6587\u672c\u6587\u4ef6\u524d\u5012\u7a7a\u8868\u683c\u3002
\nl, --lock-tables \u5728\u5904\u7406\u4efb\u4f55\u6587\u672c\u6587\u4ef6\u524d\u4e3a\u5199\u5165\u6240\u5b9a\u6240\u6709\u7684\u8868\u3002\u8fd9\u4fdd\u8bc1\u6240\u6709\u7684\u8868\u5728\u670d\u52a1\u5668\u4e0a\u88ab\u540c\u6b65\u3002
\n--low-priority\uff0c--local\uff0c--replace\uff0c--ignore\u5206\u522b\u5bf9\u5e94LOAD DATA\u8bed\u53e5\u7684LOW_PRIORITY\uff0cLOCAL\uff0cREPLACE\uff0cIGNORE\u5173\u952e\u5b57\u3002
\n\u4f8b\u5982\u6062\u590d\u6570\u636e\u5e93db1\u4e2d\u8868tbl1\u7684\u6570\u636e\uff0c\u4fdd\u5b58\u6570\u636e\u7684\u6587\u4ef6\u4e3atbl1.bak\uff0c\u5047\u5b9a\u4f60\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\uff1a
\nshell>mysqlimport --lock-tables --replace db1 tbl1.bak
\n\u8fd9\u6837\u5728\u6062\u590d\u6570\u636e\u4e4b\u524d\u73b0\u5bf9\u8868\u9501\u5b9a\uff0c\u4e5f\u53ef\u4ee5\u5229\u7528--low-priority\u9009\u9879\uff1a
\nshell>mysqlimport --low-priority --replace db1 tbl1.bak
\n\u5982\u679c\u4f60\u4e3a\u8fdc\u7a0b\u7684\u670d\u52a1\u5668\u6062\u590d\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u8fd9\u6837\uff1a
\nshell>mysqlimport -C --lock-tables --replace db1 tbl1.bak
\n\u5f53\u7136\uff0c\u89e3\u538b\u7f29\u8981\u6d88\u8017CPU\u65f6\u95f4\u3002
\n\u8c61\u5176\u5b83\u5ba2\u6237\u673a\u4e00\u6837\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u63d0\u4f9b-u\uff0c-p\u9009\u9879\u4ee5\u901a\u8fc7\u8eab\u5206\u9a8c\u8bc1\uff0c\u4e5f\u53ef\u4ee5\u5728\u9009\u9879\u6587\u4ef6my.cnf\u4e2d\u5b58\u50a8\u8fd9\u4e9b\u53c2\u6570\uff0c\u5177\u4f53\u65b9\u6cd5\u548c\u5176\u5b83\u5ba2\u6237\u673a\u4e00\u6837\uff0c\u8fd9\u91cc\u5c31\u4e0d\u8be6\u8ff0\u4e86\u3002<\/p>\n

\n\u4e8c\u3001\u4f7f\u7528mysqldump\u5907\u4efd\u6570\u636e
\n\u540cmysqlimport\u4e00\u6837\uff0c\u4e5f\u5b58\u5728\u4e00\u4e2a\u5de5\u5177mysqldump\u5907\u4efd\u6570\u636e\uff0c\u4f46\u662f\u5b83\u6bd4SQL\u8bed\u53e5\u591a\u505a\u7684\u5de5\u4f5c\u662f\u53ef\u4ee5\u5728\u5bfc\u51fa\u7684\u6587\u4ef6\u4e2d\u5305\u62ecSQL\u8bed\u53e5\uff0c\u56e0\u6b64\u53ef\u4ee5\u5907\u4efd\u6570\u636e\u5e93\u8868\u7684\u7ed3\u6784\uff0c\u800c\u4e14\u53ef\u4ee5\u5907\u4efd\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u751a\u81f3\u6574\u4e2a\u6570\u636e\u5e93\u7cfb\u7edf\u3002
\nmysqldump [OPTIONS] database [tables]
\nmysqldump [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]
\nmysqldump [OPTIONS] --all-databases [OPTIONS]
\n\u5982\u679c\u4f60\u4e0d\u7ed9\u5b9a\u4efb\u4f55\u8868\uff0c\u6574\u4e2a\u6570\u636e\u5e93\u5c06\u88ab\u503e\u5012\u3002
\n\u901a\u8fc7\u6267\u884cmysqldump --help\uff0c\u4f60\u80fd\u5f97\u5230\u4f60mysqldump\u7684\u7248\u672c\u652f\u6301\u7684\u9009\u9879\u8868\u3002
\n1\u3001\u5907\u4efd\u6570\u636e\u5e93\u7684\u65b9\u6cd5
\n\u4f8b\u5982\uff0c\u5047\u5b9a\u4f60\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u5907\u4efd\u6570\u636e\u5e93db_name
\nshell> mydqldump db_name
\n\u5f53\u7136\uff0c\u7531\u4e8emysqldump\u7f3a\u7701\u65f6\u628a\u8f93\u51fa\u5b9a\u4f4d\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u4f60\u9700\u8981\u91cd\u5b9a\u5411\u6807\u51c6\u8f93\u51fa\u3002\u4f8b\u5982\uff0c\u628a\u6570\u636e\u5e93\u5907\u4efd\u5230bd_name.bak\u4e2d\uff1a
\nshell> mydqldump db_name>db_name.bak
\n\u4f60\u53ef\u4ee5\u5907\u4efd\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u6ce8\u610f\u8fd9\u79cd\u65b9\u6cd5\u5c06\u4e0d\u80fd\u6307\u5b9a\u6570\u636e\u8868\uff1a
\nshell> mydqldump --databases db1 db1>db.bak
\n\u4f60\u4e5f\u53ef\u4ee5\u5907\u4efd\u6574\u4e2a\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u62f7\u8d1d\uff0c\u4e0d\u8fc7\u5bf9\u4e8e\u4e00\u4e2a\u5e9e\u5927\u7684\u7cfb\u7edf\uff0c\u8fd9\u6837\u505a\u6ca1\u6709\u4ec0\u4e48\u5b9e\u9645\u7684\u4ef7\u503c\uff1a
\nshell> mydqldump --all-databases>db.bak
\n\u867d\u7136\u7528mysqldump\u5bfc\u51fa\u8868\u7684\u7ed3\u6784\u5f88\u6709\u7528\uff0c\u4f46\u662f\u6062\u590d\u5927\u91cf\u6570\u636e\u65f6\uff0c\u4f17\u591aSQL\u8bed\u53e5\u4f7f\u6062\u590d\u7684\u6548\u7387\u964d\u4f4e\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528--tab\u9009\u9879\uff0c\u5206\u5f00\u6570\u636e\u548c\u521b\u5efa\u8868\u7684SQL\u8bed\u53e5\u3002
\n-T\uff0c--tab= \u5728\u9009\u9879\u6307\u5b9a\u7684\u76ee\u5f55\u91cc\uff0c\u521b\u5efa\u7528\u5236\u8868\u7b26\uff08tab\uff09\u5206\u9694\u5217\u503c\u7684\u6570\u636e\u6587\u4ef6\u548c\u5305\u542b\u521b\u5efa\u8868\u7ed3\u6784\u7684SQL\u8bed\u53e5\u7684\u6587\u4ef6\uff0c\u5206\u522b\u7528\u6269\u5c55\u540d.txt\u548c.sql\u8868\u793a\u3002\u8be5\u9009\u9879\u4e0d\u80fd\u4e0e--databases\u6216--all-databases\u540c\u65f6\u4f7f\u7528\uff0c\u5e76\u4e14mysqldump\u5fc5\u987b\u8fd0\u884c\u5728\u670d\u52a1\u5668\u4e3b\u673a\u4e0a\u3002
\n\u4f8b\u5982\uff0c\u5047\u8bbe\u6570\u636e\u5e93db\u5305\u62ec\u8868tbl1\uff0ctbl2\uff0c\u4f60\u51c6\u5907\u5907\u4efd\u5b83\u4eec\u5230\/var\/mysqldb
\nshell>mysqldump --tab=\/var\/mysqldb\/  db
\n\u5176\u6548\u679c\u662f\u5728\u76ee\u5f55\/var\/mysqldb\u4e2d\u751f\u62104\u4e2a\u6587\u4ef6\uff0c\u5206\u522b\u662ftbl1.txt\u3001tbl1.sql\u3001tbl2.txt\u548ctbl2.sql\u3002
\n2\u3001mysqldump\u5b9e\u7528\u7a0b\u5e8f\u65f6\u7684\u8eab\u4efd\u9a8c\u8bc1\u7684\u95ee\u9898
\n\u540c\u5176\u4ed6\u5ba2\u6237\u673a\u4e00\u6837\uff0c\u4f60\u4e5f\u5fc5\u987b\u63d0\u4f9b\u4e00\u4e2aMySQL\u6570\u636e\u5e93\u5e10\u53f7\u7528\u6765\u5bfc\u51fa\u6570\u636e\u5e93\uff0c\u5982\u679c\u4f60\u4e0d\u662f\u4f7f\u7528\u533f\u540d\u7528\u6237\u7684\u8bdd\uff0c\u53ef\u80fd\u9700\u8981\u624b\u5de5\u63d0\u4f9b\u53c2\u6570\u6216\u8005\u4f7f\u7528\u9009\u9879\u6587\u4ef6\uff1a
\n\u5982\u679c\u8fd9\u6837\uff1a
\nshell>mysql -u root \u2013pmypass db_name>db_name.sql
\n\u6216\u8005\u8fd9\u6837\u5728\u9009\u9879\u6587\u4ef6\u4e2d\u63d0\u4f9b\u53c2\u6570\uff1a
\n[mysqldump]
\nuser=root
\npassword=mypass
\n\u7136\u540e\u6267\u884c
\nshell>mysqldump db_name>db_name.sql
\n\u90a3\u4e48\u4e00\u5207\u987a\u5229\uff0c\u4e0d\u4f1a\u6709\u4efb\u4f55\u95ee\u9898\uff0c\u4f46\u8981\u6ce8\u610f\u547d\u4ee4\u5386\u53f2\u4f1a\u6cc4\u6f0f\u5bc6\u7801\uff0c\u6216\u8005\u4e0d\u80fd\u8ba9\u4efb\u4f55\u9664\u4f60\u4e4b\u5916\u7684\u7528\u6237\u80fd\u591f\u8bbf\u95ee\u9009\u9879\u6587\u4ef6\uff0c\u7531\u4e8e\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e5f\u9700\u8981\u8fd9\u4e2a\u9009\u9879\u6587\u4ef6\u65f6\uff0c\u9009\u9879\u6587\u4ef6\u53ea\u80fd\u88ab\u542f\u52a8\u670d\u52a1\u5668\u7684\u7528\u6237\uff08\u5982\uff0cmysql\uff09\u62e5\u6709\u548c\u8bbf\u95ee\uff0c\u4ee5\u514d\u6cc4\u5bc6\u3002\u5728Unix\u4e0b\u4f60\u8fd8\u6709\u4e00\u4e2a\u89e3\u51b3\u529e\u6cd5\uff0c\u53ef\u4ee5\u5728\u81ea\u5df1\u7684\u7528\u6237\u76ee\u5f55\u4e2d\u63d0\u4f9b\u4e2a\u4eba\u9009\u9879\u6587\u4ef6\uff08~\/.my.cnf\uff09,\u4f8b\u5982\uff0c\/home\/some_user\/.my.cnf\uff0c\u7136\u540e\u628a\u4e0a\u9762\u7684\u5185\u5bb9\u52a0\u5165\u6587\u4ef6\u4e2d\uff0c\u6ce8\u610f\u9632\u6b62\u6cc4\u5bc6\u3002\u5728NT\u7cfb\u7edf\u4e2d\uff0c\u4f60\u53ef\u4ee5\u7b80\u5355\u7684\u8ba9c:\\my.cnf\u80fd\u88ab\u6307\u5b9a\u7684\u7528\u6237\u8bbf\u95ee\u3002
\n\u4f60\u53ef\u80fd\u8981\u95ee\uff0c\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u9ebb\u70e6\u5462\uff0c\u4f8b\u5982\uff0c\u8fd9\u6837\u4f7f\u7528\u547d\u4ee4\u884c\uff1a
\nshell>mysql -u root \u2013p db_name>db_name.sql
\n\u6216\u8005\u5728\u9009\u9879\u6587\u4ef6\u4e2d\u52a0\u5165
\n[mysqldump]
\nuser=root
\npassword
\n\u7136\u540e\u6267\u884c\u547d\u4ee4\u884c\uff1a
\nshell>mysql db_name>db_name.sql
\n\u4f60\u53d1\u73b0\u4e86\u4ec0\u4e48\uff1f\u5f80\u5e38\u719f\u6089\u7684Enter password:\u63d0\u793a\u5e76\u6ca1\u6709\u51fa\u73b0\uff0c\u56e0\u4e3a\u6807\u51c6\u8f93\u51fa\u88ab\u91cd\u5b9a\u5411\u5230\u6587\u4ef6db_name.sql\u4e2d\u4e86\uff0c\u6240\u4ee5\u770b\u4e0d\u5230\u5f80\u5e38\u7684\u63d0\u793a\u7b26\uff0c\u7a0b\u5e8f\u5728\u7b49\u5f85\u4f60\u8f93\u5165\u5bc6\u7801\u3002\u5728\u91cd\u5b9a\u5411\u7684\u60c5\u51b5\u4e0b\uff0c\u518d\u4f7f\u7528\u4ea4\u4e92\u6a21\u5f0f\uff0c\u5c31\u4f1a\u6709\u95ee\u9898\u3002\u5728\u4e0a\u9762\u7684\u60c5\u51b5\u4e0b\uff0c\u4f60\u8fd8\u53ef\u4ee5\u76f4\u63a5\u8f93\u5165\u5bc6\u7801\u3002\u7136\u540e\u5728\u6587\u4ef6db_name.sql\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\u770b\u5230:
\nEnter password:#\u2026\u2026..
\n\u4f60\u53ef\u80fd\u8bf4\u95ee\u9898\u4e0d\u5927\uff0c\u4f46\u662fmysqldump\u4e4b\u6240\u4ee5\u628a\u7ed3\u679c\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\uff0c\u662f\u4e3a\u4e86\u91cd\u5b9a\u5411\u5230\u5176\u5b83\u7a0b\u5e8f\u7684\u6807\u51c6\u8f93\u5165\uff0c\u8fd9\u6837\u6709\u5229\u4e8e\u7f16\u5199\u811a\u672c\u3002\u4f8b\u5982\uff1a
\n\u7528\u6765\u81ea\u4e8e\u4e00\u4e2a\u6570\u636e\u5e93\u7684\u4fe1\u606f\u5145\u5b9e\u53e6\u5916\u4e00\u4e2aMySQL\u6570\u636e\u5e93\u4e5f\u662f\u6709\u7528\u7684\uff1a
\nshell>mysqldump --opt database | mysql --host=remote-host -C database
\n\u5982\u679cmysqldump\u4ecd\u8fd0\u884c\u5728\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u7684\u4ea4\u4e92\u6a21\u5f0f\u4e0b\uff0c\u8be5\u547d\u4ee4\u4e0d\u4f1a\u6210\u529f\uff0c\u4f46\u662f\u5982\u679cmysql\u662f\u5426\u8fd0\u884c\u5728\u63d0\u793a\u8f93\u5165\u5bc6\u7801\u7684\u4ea4\u4e92\u6a21\u5f0f\u4e0b\uff0c\u90fd\u662f\u53ef\u4ee5\u7684\u3002
\n \u5982\u679c\u5728\u9009\u9879\u6587\u4ef6\u4e2d\u7684[client]\u6216\u8005[mysqldump]\u4efb\u4f55\u4e00\u6bb5\u4e2d\u6307\u5b9a\u4e86password\u9009\u9879\uff0c\u4e14\u4e0d\u63d0\u4f9b\u5bc6\u7801\uff0c\u5373\u4f7f\uff0c\u5728\u53e6\u4e00\u6bb5\u4e2d\u6709\u63d0\u4f9b\u5bc6\u7801\u7684\u9009\u9879password=mypass,\u4f8b\u5982
\n[client]
\nuser=root
\npassword
\n[mysqldump]
\nuser=admin
\npassword=mypass
\n\u90a3\u4e48mysqldump\u4e00\u5b9a\u8981\u4f60\u8f93\u5165admin\u7528\u6237\u7684\u5bc6\u7801\uff1a
\nmysql>mysqldump db_name
\n\u5373\u4f7f\u662f\u8fd9\u6837\u4f7f\u7528\u547d\u4ee4\u884c\uff1a
\nmysql>mysqldump \u2013u root \u2013ppass1 db
\n\u4e5f\u662f\u8fd9\u6837\uff0c\u4e0d\u8fc7\u8981\u5982\u679c-u\u6307\u5b9a\u7684\u7528\u6237\u7684\u5bc6\u7801\u3002
\n\u5176\u5b83\u4f7f\u7528\u9009\u9879\u6587\u4ef6\u7684\u5ba2\u6237\u7a0b\u5e8f\u4e5f\u662f\u8fd9\u6837
\n3\u3001\u6709\u5173\u751f\u6210SQL\u8bed\u53e5\u7684\u4f18\u5316\u63a7\u5236
\n--add-locks  \u751f\u6210\u7684SQL \u8bed\u53e5\u4e2d\uff0c\u5728\u6bcf\u4e2a\u8868\u6570\u636e\u6062\u590d\u4e4b\u524d\u589e\u52a0LOCK TABLES\u5e76\u4e14\u4e4b\u540eUNLOCK TABLE\u3002(\u4e3a\u4e86\u4f7f\u5f97\u66f4\u5feb\u5730\u63d2\u5165\u5230MySQL)\u3002
\n--add-drop-table \u751f\u6210\u7684SQL \u8bed\u53e5\u4e2d\uff0c\u5728\u6bcf\u4e2acreate\u8bed\u53e5\u4e4b\u524d\u589e\u52a0\u4e00\u4e2adrop table\u3002
\n-e, --extended-insert  \u4f7f\u7528\u5168\u65b0\u591a\u884cINSERT\u8bed\u6cd5\u3002\uff08\u7ed9\u51fa\u66f4\u7d27\u7f29\u5e76\u4e14\u66f4\u5feb\u7684\u63d2\u5165\u8bed\u53e5\uff09
\n\u4e0b\u9762\u4e24\u4e2a\u9009\u9879\u80fd\u591f\u52a0\u5feb\u5907\u4efd\u8868\u7684\u901f\u5ea6\uff1a
\n-l, --lock-tables. \u4e3a\u5f00\u59cb\u5bfc\u51fa\u6570\u636e\u524d\uff0c\u8bfb\u9501\u5b9a\u6240\u6709\u6d89\u53ca\u7684\u8868\u3002
\n-q, --quick \u4e0d\u7f13\u51b2\u67e5\u8be2\uff0c\u76f4\u63a5\u503e\u5012\u81f3stdout\u3002
\n\u7406\u8bba\u4e0a\uff0c\u5907\u4efd\u65f6\u4f60\u5e94\u8be5\u6307\u5b9a\u4e0a\u8bc9\u6240\u6709\u9009\u9879\u3002\u8fd9\u6837\u4f1a\u4f7f\u547d\u4ee4\u884c\u8fc7\u4e8e\u590d\u6742\uff0c\u4f5c\u4e3a\u4ee3\u66ff\uff0c\u4f60\u53ef\u4ee5\u7b80\u5355\u7684\u6307\u5b9a\u4e00\u4e2a--opt\u9009\u9879\uff0c\u5b83\u4f1a\u4f7f\u4e0a\u8ff0\u6240\u6709\u9009\u9879\u6709\u6548\u3002
\n\u4f8b\u5982\uff0c\u4f60\u5c06\u5bfc\u51fa\u4e00\u4e2a\u5f88\u5927\u7684\u6570\u636e\u5e93\uff1a
\nshell> mysqldump --opt db_name > db_name.txt
\n\u5f53\u7136\uff0c\u4f7f\u7528--tab\u9009\u9879\u65f6\uff0c\u7531\u4e8e\u4e0d\u751f\u6210\u6062\u590d\u6570\u636e\u7684SQL\u8bed\u53e5\uff0c\u4f7f\u7528--opt\u65f6\uff0c\u53ea\u4f1a\u52a0\u5feb\u6570\u636e\u5bfc\u51fa\u3002
\n4\u3001\u6062\u590dmysqldump\u5907\u4efd\u7684\u6570\u636e
\n\u7531\u4e8e\u5907\u4efd\u6587\u4ef6\u662fSQL\u8bed\u53e5\u7684\u96c6\u5408\uff0c\u6240\u4ee5\u9700\u8981\u5728\u6279\u5904\u7406\u6a21\u5f0f\u4e0b\u4f7f\u7528\u5ba2\u6237\u673a
\n\uf06c \u5982\u679c\u4f60\u4f7f\u7528mysqldump\u5907\u4efd\u5355\u4e2a\u6570\u636e\u5e93\u6216\u8868\uff0c\u5373\uff1a
\nshell>mysqldump --opt db_name > db_name.sql
\n\u7531\u4e8edb_name.sql\u4e2d\u4e0d\u5305\u62ec\u521b\u5efa\u6570\u636e\u5e93\u6216\u8005\u9009\u53d6\u6570\u636e\u5e93\u7684\u8bed\u53e5\uff0c\u4f60\u9700\u8981\u6307\u5b9a\u6570\u636e\u5e93
\nshell>mysql db2 < db_name.sql
\n\uf06c \u5982\u679c\uff0c\u4f60\u4f7f\u7528--databases\u6216\u8005--all-databases\u9009\u9879\uff0c\u7531\u4e8e\u5bfc\u51fa\u6587\u4ef6\u4e2d\u5df2\u7ecf\u5305\u542b\u521b\u5efa\u548c\u9009\u7528\u6570\u636e\u5e93\u7684\u8bed\u53e5\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\uff0c\u4e0d\u6bd4\u6307\u5b9a\u6570\u636e\u5e93\uff0c\u4f8b\u5982\uff1a
\nshell>mysqldump --databases db_name > db_name.sql
\nshell>mysql <db_name.sql
\n\uf06c \u5982\u679c\u4f60\u4f7f\u7528--tab\u9009\u9879\u5907\u4efd\u6570\u636e\uff0c\u6570\u636e\u6062\u590d\u53ef\u80fd\u6548\u7387\u4f1a\u9ad8\u4e9b
\n\u4f8b\u5982\uff0c\u5907\u4efd\u6570\u636e\u5e93db_name\u540e\u5728\u6062\u590d\uff1a
\nshell>mysqldump --tab=\/path\/to\/dir --opt test
\n\u5982\u679c\u8981\u6062\u590d\u8868\u7684\u7ed3\u6784\uff0c\u53ef\u4ee5\u8fd9\u6837\uff1a
\nshell>mysql < \/path\/to\/dir\/tbl1.sql
\n\u2026
\n\u5982\u679c\u8981\u6062\u590d\u6570\u636e\uff0c\u53ef\u4ee5\u8fd9\u6837
\nshell>mysqlimport -l db \/path\/to\/dir\/tbl1.txt
\n\u2026
\n\u5982\u679c\u662f\u5728Unix\u5e73\u53f0\u4e0b\u4f7f\u7528\uff08\u63a8\u8350\uff09\uff0c\u5c31\u66f4\u65b9\u4fbf\u4e86\uff1a
\nshell>ls -l *.sql | mysql db
\nshell>mysqlimport --lock-tables db \/path\/to\/dir\/*.txt<\/p>\n

\n\u4e09 .\u7528\u76f4\u63a5\u62f7\u8d1d\u7684\u65b9\u6cd5\u5907\u4efd\u6062\u590d
\n\u6839\u636e\u672c\u7ae0\u524d\u4e24\u8282\u7684\u4ecb\u7ecd\uff0c\u7531\u4e8eMySQL\u7684\u6570\u636e\u5e93\u548c\u8868\u662f\u76f4\u63a5\u901a\u8fc7\u76ee\u5f55\u548c\u8868\u6587\u4ef6\u5b9e\u73b0\u7684\uff0c\u56e0\u6b64\u76f4\u63a5\u590d\u5236\u6587\u4ef6\u6765\u5907\u4efd\u6570\u636e\u5e93\u6570\u636e\uff0c\u5bf9MySQL\u6765\u8bf4\u7279\u522b\u65b9\u4fbf\u3002\u800c\u4e14\u81eaMySQL 3.23\u8d77MyISAM\u8868\u6210\u4e3a\u7f3a\u7701\u7684\u8868\u7684\u7c7b\u578b\uff0c\u8fd9\u79cd\u8868\u53ef\u4ee5\u4e3a\u5728\u4e0d\u540c\u7684\u786c\u4ef6\u4f53\u7cfb\u4e2d\u5171\u4eab\u6570\u636e\u63d0\u4f9b\u4e86\u4fdd\u8bc1\u3002
\n\u4f7f\u7528\u76f4\u63a5\u62f7\u8d1d\u7684\u65b9\u6cd5\u5907\u4efd\u65f6\uff0c\u5c24\u5176\u8981\u6ce8\u610f\u8868\u6ca1\u6709\u88ab\u4f7f\u7528\uff0c\u4f60\u5e94\u8be5\u9996\u5148\u5bf9\u8868\u8fdb\u884c\u8bfb\u9501\u5b9a\u3002
\n\u5907\u4efd\u4e00\u4e2a\u8868\uff0c\u9700\u8981\u4e09\u4e2a\u6587\u4ef6\uff1a
\n\u5bf9\u4e8eMyISAM\u8868\uff1a
\ntbl_name.frm  \u8868\u7684\u63cf\u8ff0\u6587\u4ef6
\ntbl_name.MYD \u8868\u7684\u6570\u636e\u6587\u4ef6
\ntbl_name.MYI  \u8868\u7684\u7d22\u5f15\u6587\u4ef6
\n\u5bf9\u4e8eISAM\u8868\uff1a
\ntbl_name.frm  \u8868\u7684\u63cf\u8ff0\u6587\u4ef6
\ntbl_name.ISD \u8868\u7684\u6570\u636e\u6587\u4ef6
\ntbl_name.ISM  \u8868\u7684\u7d22\u5f15\u6587\u4ef6
\n\u4f60\u76f4\u63a5\u62f7\u8d1d\u6587\u4ef6\u4ece\u4e00\u4e2a\u6570\u636e\u5e93\u670d\u52a1\u5668\u5230\u53e6\u4e00\u4e2a\u670d\u52a1\u5668\uff0c\u5bf9\u4e8eMyISAM\u8868\uff0c\u4f60\u53ef\u4ee5\u4ece\u8fd0\u884c\u5728\u4e0d\u540c\u786c\u4ef6\u7cfb\u7edf\u7684\u670d\u52a1\u5668\u4e4b\u95f4\u590d\u5236\u6587\u4ef6<\/p>\n

\u50cf\u4f60\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u628a\u8fdc\u7a0b\u673a\u5668\u7684mysql\u6570\u636e\u76ee\u5f55ftp\u4e0b\u8f7d\u5230\u4f60\u672c\u5730\u7684mysql\u76ee\u5f55\u4e0b\uff0c\u91cd\u542fmysql\u5c31\u53ef\u4ee5\u4e86<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5176\u5b9e\u4f60\u7684\u8fd9\u4e2a\u95ee\u9898\u662fmysql\u4e2d\u7684\u4e00\u4e2a\u6838\u5fc3\u95ee\u9898\uff0c\u65e2mysql\u6570\u636e\u7684\u5907\u4efd\u548c\u6062\u590d
\n\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e09\u79cd\u65b9\u5f0f
\n1.\u4f7f\u7528sql\u8bed\u53e5\u5bfc\u5165\u5bfc\u51fa
\n2.\u4f7f\u7528mysqldump \u548cmysqlimport \u5de5\u5177
\n3.\u76f4\u63a5copy \u6570\u636e\u6587\u4ef6 \u65e2\u51b7\u5907\u4efd
\n\u4f60\u8bf4\u8bf4\u7684\u8be6\u7ec6\uff0c\u5c31\u7ed9\u79ef\u5206\uff0c\u90a3\u6211\u5c31\u8bf4\u8be6\u7ec6\u4e9b<\/p>\n

\u4e00.\u4f7f\u7528sql\u8bed\u53e5\u5b8c\u6210mysql\u7684\u5907\u4efd\u548c\u6062\u590d<\/p>\n

\u4f60\u53ef\u4ee5\u4f7f\u7528SELECT INTO OUTFILE\u8bed\u53e5\u5907\u4efd\u6570\u636e\uff0c\u5e76\u7528LOAD DATA INFILE\u8bed\u53e5\u6062\u590d\u6570\u636e\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ea\u80fd\u5bfc\u51fa\u6570<\/p>\n

\u636e\u7684\u5185\u5bb9\uff0c\u4e0d\u5305\u62ec\u8868\u7684\u7ed3\u6784\uff0c\u5982\u679c\u8868\u7684\u7ed3\u6784\u6587\u4ef6\u635f\u574f\uff0c\u4f60\u5fc5\u987b\u8981\u5148\u6062\u590d\u539f\u6765\u7684\u8868\u7684\u7ed3\u6784\u3002
\n\u8bed\u6cd5\uff1a
\nSELECT * INTO {OUTFILE | DUMPFIL...<\/p>\n

\u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[288],"tags":[2],"class_list":["post-175","post","type-post","status-publish","format-standard","hentry","category-db","tag-MySQL"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=175"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/175\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=175"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=175"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}