{"id":78410,"date":"2024-10-16T11:50:14","date_gmt":"2024-10-16T03:50:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/78410\/"},"modified":"2024-10-16T11:50:14","modified_gmt":"2024-10-16T03:50:14","slug":"mysql%e6%8c%87%e4%bb%a4-drop-table%ef%bc%88%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/78410\/","title":{"rendered":"MySQL\u6307\u4ee4: DROP TABLE\uff08\u522a\u9664\u6578\u64da\u8868\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-drop-table%ef%bc%88%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e8%a1%a8%ef%bc%89-IzElhYrygX\">MySQL\u6307\u4ee4: DROP TABLE\uff08\u522a\u9664\u6578\u64da\u8868\uff09<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u4f86\u7ba1\u7406\u6578\u64da\u8868\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f<strong>DROP TABLE<\/strong>\u6307\u4ee4\u3002\u9019\u500b\u6307\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u522a\u9664\u6307\u5b9a\u7684\u6578\u64da\u8868\u53ca\u5176\u6240\u6709\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eDROP TABLE\u6307\u4ee4\u7684\u7528\u6cd5\u3001\u6ce8\u610f\u4e8b\u9805\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u793a\u4f8b\u3002<\/p>\n<h2 id=\"drop-table%e6%8c%87%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-IzElhYrygX\">DROP TABLE\u6307\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>DROP TABLE\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP TABLE [IF EXISTS] table_name;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>table_name<\/code>\u662f\u60a8\u5e0c\u671b\u522a\u9664\u7684\u6578\u64da\u8868\u7684\u540d\u7a31\u3002\u9078\u64c7\u6027\u5730\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<code>IF EXISTS<\/code>\u4f86\u907f\u514d\u5728\u6578\u64da\u8868\u4e0d\u5b58\u5728\u6642\u51fa\u73fe\u932f\u8aa4\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-IzElhYrygX\">\u4f7f\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528DROP TABLE\u6307\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>DROP TABLE IF EXISTS employees;<\/code><\/pre>\n<p>\u9019\u689d\u6307\u4ee4\u5c07\u522a\u9664\u540d\u70ba<code>employees<\/code>\u7684\u6578\u64da\u8868\u3002\u5982\u679c\u8a72\u8868\u4e0d\u5b58\u5728\uff0c\u5247\u4e0d\u6703\u5831\u932f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-IzElhYrygX\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u4e0d\u53ef\u9006\u64cd\u4f5c\uff1a<\/strong>\u4f7f\u7528DROP TABLE\u6307\u4ee4\u5c07\u6c38\u4e45\u522a\u9664\u6578\u64da\u8868\u53ca\u5176\u6240\u6709\u6578\u64da\uff0c\u9019\u4e00\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002\u56e0\u6b64\uff0c\u5728\u57f7\u884c\u6b64\u6307\u4ee4\u4e4b\u524d\uff0c\u52d9\u5fc5\u78ba\u8a8d\u60a8\u4e0d\u518d\u9700\u8981\u8a72\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u5916\u9375\u7d04\u675f\uff1a<\/strong>\u5982\u679c\u6578\u64da\u8868\u4e4b\u9593\u5b58\u5728\u5916\u9375\u7d04\u675f\uff0c\u60a8\u9700\u8981\u5148\u522a\u9664\u76f8\u95dc\u7684\u5916\u9375\u7d04\u675f\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u522a\u9664\u8a72\u6578\u64da\u8868\u3002<\/li>\n<li><strong>\u6b0a\u9650\u8981\u6c42\uff1a<\/strong>\u57f7\u884cDROP TABLE\u6307\u4ee4\u7684\u7528\u6236\u5fc5\u9808\u64c1\u6709\u76f8\u61c9\u7684\u6b0a\u9650\uff0c\u5426\u5247\u5c07\u7121\u6cd5\u6210\u529f\u57f7\u884c\u8a72\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-IzElhYrygX\">\u5be6\u969b\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0cDROP TABLE\u6307\u4ee4\u901a\u5e38\u7528\u65bc\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u8868\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u67d0\u4e9b\u6578\u64da\u8868\u53ef\u80fd\u6703\u8b8a\u5f97\u4e0d\u518d\u9700\u8981\u3002\u6b64\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528DROP TABLE\u6307\u4ee4\u4f86\u6e05\u7406\u9019\u4e9b\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8868\u3002<\/li>\n<li><strong>\u91cd\u5efa\u6578\u64da\u8868\uff1a<\/strong>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u591a\u6b21\u4fee\u6539\u6578\u64da\u8868\u7684\u7d50\u69cb\u3002\u4f7f\u7528DROP TABLE\u6307\u4ee4\u53ef\u4ee5\u65b9\u4fbf\u5730\u522a\u9664\u820a\u7684\u6578\u64da\u8868\uff0c\u7136\u5f8c\u91cd\u65b0\u5275\u5efa\u65b0\u7684\u6578\u64da\u8868\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-IzElhYrygX\">\u7d50\u8ad6<\/h2>\n<p>DROP TABLE\u6307\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u4e14\u91cd\u8981\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u8868\u3002\u5728\u4f7f\u7528\u6b64\u6307\u4ee4\u6642\uff0c\u52d9\u5fc5\u8b39\u614e\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4e1f\u5931\u3002\u4e86\u89e3\u5176\u57fa\u672c\u8a9e\u6cd5\u3001\u6ce8\u610f\u4e8b\u9805\u53ca\u5be6\u969b\u61c9\u7528\u5834\u666f\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u66f4\u597d\u5730\u5229\u7528MySQL\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u6280\u8853\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u7372\u53d6\u66f4\u591a\u6709\u95dc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u7684\u8a73\u7d30\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4DROP TABLE\uff0c\u5b78\u7fd2\u5982\u4f55\u5b89\u5168\u6709\u6548\u5730\u522a\u9664\u6578\u64da\u8868\u53ca\u5176\u5167\u5bb9\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-78410","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78410","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=78410"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78410\/revisions"}],"predecessor-version":[{"id":78411,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78410\/revisions\/78411"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=78410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=78410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=78410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}