{"id":160045,"date":"2024-11-03T19:49:20","date_gmt":"2024-11-03T11:49:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160045\/"},"modified":"2024-11-03T19:49:21","modified_gmt":"2024-11-03T11:49:21","slug":"mysql-%e6%95%99%e7%a8%8b-mysql-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160045\/","title":{"rendered":"MYSQL \u6559\u7a0b MySQL \u522a\u9664\u6578\u64da\u8868"},"content":{"rendered":"<h1 id=\"mysql-%e6%95%99%e7%a8%8b%ef%bc%9amysql-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8-hNBlxaWnFQ\">MySQL \u6559\u7a0b\uff1aMySQL \u522a\u9664\u6578\u64da\u8868<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u7ba1\u7406\u6578\u64da\u8868\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002\u7576\u6578\u64da\u8868\u4e0d\u518d\u9700\u8981\u6642\uff0c\u522a\u9664\u5b83\u5011\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6574\u6f54\u548c\u9ad8\u6548\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 MySQL \u4e2d\u522a\u9664\u6578\u64da\u8868\uff0c\u5305\u62ec\u76f8\u95dc\u7684\u8a9e\u6cd5\u3001\u6ce8\u610f\u4e8b\u9805\u4ee5\u53ca\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-hNBlxaWnFQ\">\u4e00\u3001\u522a\u9664\u6578\u64da\u8868\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u522a\u9664\u6578\u64da\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP TABLE [IF EXISTS] table_name;<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>table_name<\/code> \u662f\u4f60\u60f3\u8981\u522a\u9664\u7684\u6578\u64da\u8868\u7684\u540d\u7a31\u3002\u4f7f\u7528 <code>IF EXISTS<\/code> \u662f\u53ef\u9078\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u6578\u64da\u8868\u4e0d\u5b58\u5728\u6642\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e4%ba%8c%e3%80%81%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e6%ad%a5%e9%a9%9f-hNBlxaWnFQ\">\u4e8c\u3001\u522a\u9664\u6578\u64da\u8868\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab-hNBlxaWnFQ\">1. \u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u9023\u63a5\u5230 MySQL \u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\u6216\u5716\u5f62\u5316\u754c\u9762\u5de5\u5177\uff08\u5982 phpMyAdmin\uff09\u4f86\u9032\u884c\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u9023\u63a5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>mysql -u username -p<\/code><\/pre>\n<p>\u5728\u63d0\u793a\u6642\u8f38\u5165\u4f60\u7684\u5bc6\u78bc\u3002<\/p>\n<h3 id=\"2-%e9%81%b8%e6%93%87%e6%95%b8%e6%93%9a%e5%ba%ab-hNBlxaWnFQ\">2. \u9078\u64c7\u6578\u64da\u5eab<\/h3>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u9078\u64c7\u4f60\u8981\u64cd\u4f5c\u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>USE database_name;<\/code><\/pre>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8-hNBlxaWnFQ\">3. \u522a\u9664\u6578\u64da\u8868<\/h3>\n<p>\u4f7f\u7528 <code>DROP TABLE<\/code> \u8a9e\u53e5\u522a\u9664\u6578\u64da\u8868\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u4f60\u8981\u522a\u9664\u540d\u70ba <code>users<\/code> \u7684\u6578\u64da\u8868\uff1a<\/p>\n<pre><code>DROP TABLE IF EXISTS users;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6703\u522a\u9664 <code>users<\/code> \u6578\u64da\u8868\uff0c\u5982\u679c\u8a72\u8868\u4e0d\u5b58\u5728\u5247\u4e0d\u6703\u5831\u932f\u3002<\/p>\n<h2 id=\"%e4%b8%89%e3%80%81%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-hNBlxaWnFQ\">\u4e09\u3001\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u4e1f\u5931\uff1a<\/strong>\u522a\u9664\u6578\u64da\u8868\u5c07\u6c38\u4e45\u522a\u9664\u8a72\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\uff0c\u8acb\u52d9\u5fc5\u78ba\u8a8d\u662f\u5426\u9700\u8981\u5099\u4efd\u6578\u64da\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u8a72\u8868\u8207\u5176\u4ed6\u8868\u5b58\u5728\u5916\u9375\u7d04\u675f\uff0c\u5247\u5728\u522a\u9664\u4e4b\u524d\u9700\u8981\u5148\u522a\u9664\u76f8\u95dc\u7684\u5916\u9375\u7d04\u675f\u3002<\/li>\n<li><strong>\u6b0a\u9650\u554f\u984c\uff1a<\/strong>\u78ba\u4fdd\u4f60\u64c1\u6709\u522a\u9664\u8a72\u6578\u64da\u8868\u7684\u6b0a\u9650\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9b%9b%e3%80%81%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%88%aa%e9%99%a4%e5%a4%9a%e5%80%8b%e6%95%b8%e6%93%9a%e8%a1%a8-hNBlxaWnFQ\">\u56db\u3001\u793a\u4f8b\uff1a\u522a\u9664\u591a\u500b\u6578\u64da\u8868<\/h2>\n<p>\u5982\u679c\u9700\u8981\u540c\u6642\u522a\u9664\u591a\u500b\u6578\u64da\u8868\uff0c\u53ef\u4ee5\u5728 <code>DROP TABLE<\/code> \u8a9e\u53e5\u4e2d\u5217\u51fa\u591a\u500b\u8868\u540d\uff0c\u4f7f\u7528\u9017\u865f\u5206\u9694\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DROP TABLE IF EXISTS users, orders, products;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6703\u522a\u9664 <code>users<\/code>\u3001<code>orders<\/code> \u548c <code>products<\/code> \u4e09\u500b\u6578\u64da\u8868\u3002<\/p>\n<h2 id=\"%e4%ba%94%e3%80%81%e7%b5%90%e8%ab%96-hNBlxaWnFQ\">\u4e94\u3001\u7d50\u8ad6<\/h2>\n<p>\u522a\u9664 MySQL \u6578\u64da\u8868\u662f\u4e00\u500b\u7c21\u55ae\u4f46\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u901a\u904e\u6b63\u78ba\u4f7f\u7528 <code>DROP TABLE<\/code> \u8a9e\u53e5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u8868\u3002\u5728\u9032\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u78ba\u8a8d\u6578\u64da\u7684\u5099\u4efd\u548c\u76f8\u95dc\u7684\u7d04\u675f\u689d\u4ef6\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3 MySQL \u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u548c\u9748\u6d3b\u7684\u7ba1\u7406\u9078\u9805\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 MySQL \u4e2d\u522a\u9664\u6578\u64da\u8868\uff0c\u638c\u63e1 DROP TABLE \u8a9e\u53e5\u53ca\u5176\u7528\u6cd5\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7ba1\u7406\u7684\u9ad8\u6548\u6027\u8207\u5b89\u5168\u6027\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-160045","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160045","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=160045"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160045\/revisions"}],"predecessor-version":[{"id":160046,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160045\/revisions\/160046"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160045"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160045"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160045"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}