{"id":160037,"date":"2024-11-03T19:45:22","date_gmt":"2024-11-03T11:45:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160037\/"},"modified":"2024-11-03T19:45:23","modified_gmt":"2024-11-03T11:45:23","slug":"mysql-%e6%95%99%e7%a8%8b-mysql-%e8%a4%87%e8%a3%bd%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160037\/","title":{"rendered":"MYSQL \u6559\u7a0b MySQL \u8907\u88fd\u8868"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e8%a4%87%e8%a3%bd%e8%a1%a8-SgeYXaNpfU\">MySQL \u6559\u7a0b\uff1aMySQL \u8907\u88fd\u8868<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8907\u88fd\u8868\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u5099\u4efd\u6578\u64da\u3001\u6e2c\u8a66\u65b0\u529f\u80fd\uff0c\u9084\u662f\u9032\u884c\u6578\u64da\u9077\u79fb\uff0cMySQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8907\u88fd\u8868\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5e38\u7528\u7684 MySQL \u8907\u88fd\u8868\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8-create-table-as-select-SgeYXaNpfU\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528 CREATE TABLE &#8230; AS SELECT<\/h2>\n<p>\u9019\u662f\u6700\u7c21\u55ae\u7684\u8907\u88fd\u8868\u65b9\u6cd5\u4e4b\u4e00\u3002\u4f7f\u7528 <code>CREATE TABLE ... AS SELECT<\/code> \u8a9e\u53e5\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u65b0\u8868\uff0c\u4e26\u5c07\u539f\u8868\u7684\u6578\u64da\u8907\u88fd\u5230\u65b0\u8868\u4e2d\u3002\u4ee5\u4e0b\u662f\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>CREATE TABLE \u65b0\u8868\u540d AS SELECT * FROM \u539f\u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>employees<\/code> \u7684\u8868\uff0c\u4e26\u5e0c\u671b\u8907\u88fd\u5b83\u5230\u4e00\u500b\u540d\u70ba <code>employees_backup<\/code> \u7684\u65b0\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TABLE employees_backup AS SELECT * FROM employees;<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u5275\u5efa\u4e00\u500b\u65b0\u8868 <code>employees_backup<\/code>\uff0c\u4e26\u5c07 <code>employees<\/code> \u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u8907\u88fd\u904e\u4f86\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u7a2e\u65b9\u6cd5\u4e0d\u6703\u8907\u88fd\u539f\u8868\u7684\u7d22\u5f15\u548c\u7d04\u675f\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8-insert-into-select-SgeYXaNpfU\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 INSERT INTO &#8230; SELECT<\/h2>\n<p>\u5982\u679c\u60a8\u5df2\u7d93\u5275\u5efa\u4e86\u65b0\u8868\uff0c\u4f46\u5e0c\u671b\u5c07\u539f\u8868\u7684\u6578\u64da\u63d2\u5165\u5230\u65b0\u8868\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>INSERT INTO ... SELECT<\/code> \u8a9e\u53e5\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u5728\u65b0\u8868\u5df2\u5b58\u5728\u7684\u60c5\u6cc1\u4e0b\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>INSERT INTO \u65b0\u8868\u540d SELECT * FROM \u539f\u8868\u540d;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u5df2\u7d93\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba <code>employees_backup<\/code> \u7684\u8868\uff0c\u4e26\u5e0c\u671b\u5c07 <code>employees<\/code> \u8868\u4e2d\u7684\u6578\u64da\u63d2\u5165\u5230\u9019\u500b\u65b0\u8868\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>INSERT INTO employees_backup SELECT * FROM employees;<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u5c07 <code>employees<\/code> \u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u63d2\u5165\u5230 <code>employees_backup<\/code> \u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e6%96%b9%e6%b3%95%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8-mysqldump-%e5%b7%a5%e5%85%b7-SgeYXaNpfU\">\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528 mysqldump \u5de5\u5177<\/h2>\n<p>\u5982\u679c\u60a8\u9700\u8981\u8907\u88fd\u6574\u500b\u8868\u7d50\u69cb\u548c\u6578\u64da\uff0c\u4e26\u4e14\u5e0c\u671b\u5c07\u5176\u5c0e\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>mysqldump<\/code> \u5de5\u5177\u3002\u9019\u662f\u4e00\u500b\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u5c07 MySQL \u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u5c0e\u51fa\u70ba SQL \u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>mysqldump -u \u7528\u6236\u540d -p \u6578\u64da\u5eab\u540d \u8868\u540d &gt; \u8f38\u51fa\u6587\u4ef6.sql<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c0e\u51fa <code>employees<\/code> \u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>mysqldump -u root -p mydatabase employees &gt; employees_backup.sql<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5c07\u5176\u5c0e\u5165\u5230\u65b0\u7684\u8868\u4e2d\uff1a<\/p>\n<pre><code>mysql -u \u7528\u6236\u540d -p \u6578\u64da\u5eab\u540d &lt; \u8f38\u51fa\u6587\u4ef6.sql<\/code><\/pre>\n<h2 id=\"%e6%96%b9%e6%b3%95%e5%9b%9b%ef%bc%9a%e4%bd%bf%e7%94%a8-select-into-outfile-SgeYXaNpfU\">\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528 SELECT INTO OUTFILE<\/h2>\n<p>\u53e6\u4e00\u7a2e\u8907\u88fd\u8868\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>SELECT INTO OUTFILE<\/code> \u8a9e\u53e5\uff0c\u9019\u53ef\u4ee5\u5c07\u67e5\u8a62\u7d50\u679c\u5c0e\u51fa\u5230\u6587\u4ef6\u4e2d\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u9700\u8981\u5c07\u6578\u64da\u5c0e\u51fa\u5230 CSV \u6216\u5176\u4ed6\u683c\u5f0f\u7684\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SELECT * FROM \u539f\u8868\u540d INTO OUTFILE '\u6587\u4ef6\u8def\u5f91' FIELDS TERMINATED BY ',' ENCLOSED BY '\"' LINES TERMINATED BY 'n';<\/code><\/pre>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM employees INTO OUTFILE '\/tmp\/employees.csv' FIELDS TERMINATED BY ',' ENCLOSED BY '\"' LINES TERMINATED BY 'n';<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u5c07 <code>employees<\/code> \u8868\u7684\u6578\u64da\u5c0e\u51fa\u5230\u6307\u5b9a\u7684 CSV \u6587\u4ef6\u4e2d\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SgeYXaNpfU\">\u7e3d\u7d50<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u8907\u88fd\u8868\u7684\u65b9\u5f0f\u6709\u5f88\u591a\uff0c\u6839\u64da\u4e0d\u540c\u7684\u9700\u6c42\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>CREATE TABLE ... AS SELECT<\/code>\u3001<code>INSERT INTO ... SELECT<\/code>\u3001<code>mysqldump<\/code> \u9084\u662f <code>SELECT INTO OUTFILE<\/code>\uff0c\u90fd\u80fd\u6709\u6548\u5730\u5b8c\u6210\u8868\u7684\u8907\u88fd\u5de5\u4f5c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u5730\u5340\u7684\u6578\u64da\u8655\u7406\u9700\u6c42\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 MySQL \u4e2d\u8907\u88fd\u8868\uff0c\u638c\u63e1\u7c21\u55ae\u7684\u6b65\u9a5f\u548c\u6280\u5de7\uff0c\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u8cc7\u6599\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-160037","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160037","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=160037"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160037\/revisions"}],"predecessor-version":[{"id":160038,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160037\/revisions\/160038"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}