{"id":76216,"date":"2024-10-16T04:49:15","date_gmt":"2024-10-15T20:49:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76216\/"},"modified":"2024-10-16T04:49:15","modified_gmt":"2024-10-15T20:49:15","slug":"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8drop-database-database%e5%9c%a8sql%e6%a8%a1%e5%bc%8f%e4%b8%ad%e5%88%aa%e9%99%a4%e7%8f%be%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab%e3%80%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76216\/","title":{"rendered":"MySQL\u5165\u9580\uff1a\u4f7f\u7528DROP DATABASE [database]\u5728SQL\u6a21\u5f0f\u4e2d\u522a\u9664\u73fe\u6709\u6578\u64da\u5eab\u3002"},"content":{"rendered":"<h1 id=\"mysql%e5%85%a5%e9%96%80%ef%bc%9a%e4%bd%bf%e7%94%a8drop-database-database%e5%9c%a8sql%e6%a8%a1%e5%bc%8f%e4%b8%ad%e5%88%aa%e9%99%a4%e7%8f%be%e6%9c%89%e6%95%b8%e6%93%9a%e5%ba%ab-qjkIIkKBAE\">MySQL\u5165\u9580\uff1a\u4f7f\u7528DROP DATABASE [database]\u5728SQL\u6a21\u5f0f\u4e2d\u522a\u9664\u73fe\u6709\u6578\u64da\u5eab<\/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\u5c0d\u65bc\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528SQL\u547d\u4ee4\u4e2d\u7684DROP DATABASE\u4f86\u522a\u9664\u73fe\u6709\u7684\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdrop-database%ef%bc%9f-qjkIIkKBAE\">\u4ec0\u9ebc\u662fDROP DATABASE\uff1f<\/h2>\n<p>DROP DATABASE\u662f\u4e00\u500bSQL\u547d\u4ee4\uff0c\u7528\u65bc\u6c38\u4e45\u522a\u9664\u6307\u5b9a\u7684\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u5167\u5bb9\u3002\u9019\u500b\u547d\u4ee4\u6703\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u3001\u6578\u64da\u548c\u7d50\u69cb\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u78ba\u4fdd\u4e0d\u518d\u9700\u8981\u8a72\u6578\u64da\u5eab\u4e2d\u7684\u4efb\u4f55\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8drop-database%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-qjkIIkKBAE\">\u4f7f\u7528DROP DATABASE\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>DROP DATABASE\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP DATABASE [IF EXISTS] database_name;<\/code><\/pre>\n<ul>\n<li><strong>IF EXISTS<\/strong>\uff1a\u9019\u662f\u4e00\u500b\u53ef\u9078\u7684\u53c3\u6578\uff0c\u7576\u6307\u5b9a\u7684\u6578\u64da\u5eab\u4e0d\u5b58\u5728\u6642\uff0c\u4f7f\u7528\u6b64\u53c3\u6578\u53ef\u4ee5\u907f\u514d\u51fa\u73fe\u932f\u8aa4\u3002<\/li>\n<li><strong>database_name<\/strong>\uff1a\u9019\u662f\u60a8\u5e0c\u671b\u522a\u9664\u7684\u6578\u64da\u5eab\u7684\u540d\u7a31\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9f%b7%e8%a1%8cdrop-database%e7%9a%84%e6%ad%a5%e9%a9%9f-qjkIIkKBAE\">\u57f7\u884cDROP DATABASE\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728\u57f7\u884cDROP DATABASE\u547d\u4ee4\u4e4b\u524d\uff0c\u5efa\u8b70\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u5099\u4efd\u6578\u64da<\/strong>\uff1a\u5728\u522a\u9664\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6240\u6709\u91cd\u8981\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528mysqldump\u5de5\u5177\u4f86\u5c0e\u51fa\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u6578\u64da\u5eab<\/strong>\uff1a\u78ba\u4fdd\u60a8\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u78ba\u5be6\u4e0d\u518d\u9700\u8981\u3002\u53ef\u4ee5\u4f7f\u7528SHOW DATABASES\u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684\u6578\u64da\u5eab\u5217\u8868\u3002<\/li>\n<li><strong>\u57f7\u884c\u547d\u4ee4<\/strong>\uff1a\u5728MySQL\u547d\u4ee4\u884c\u754c\u9762\u6216\u4efb\u4f55SQL\u5ba2\u6236\u7aef\u4e2d\u57f7\u884cDROP DATABASE\u547d\u4ee4\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b-qjkIIkKBAE\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70batest_db\u7684\u6578\u64da\u5eab\uff0c\u60a8\u5e0c\u671b\u5c07\u5176\u522a\u9664\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DROP DATABASE test_db;<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u4e0d\u78ba\u5b9a\u8a72\u6578\u64da\u5eab\u662f\u5426\u5b58\u5728\uff0c\u53ef\u4ee5\u4f7f\u7528IF EXISTS\u53c3\u6578\uff1a<\/p>\n<pre><code>DROP DATABASE IF EXISTS test_db;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-qjkIIkKBAE\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528DROP DATABASE\u547d\u4ee4\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u6b64\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u4e00\u65e6\u57f7\u884c\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002<\/li>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u522a\u9664\u8a72\u6578\u64da\u5eab\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u5728\u975e\u9ad8\u5cf0\u6642\u6bb5\u57f7\u884c\u6b64\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u5f71\u97ff\u7528\u6236\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qjkIIkKBAE\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528DROP DATABASE\u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406MySQL\u6578\u64da\u5eab\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u5eab\u6642\u3002\u8a18\u5f97\u5728\u522a\u9664\u4e4b\u524d\u5099\u4efd\u91cd\u8981\u6578\u64da\uff0c\u4e26\u4ed4\u7d30\u6aa2\u67e5\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u670d\u52d9\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u6216<em><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/em>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528DROP DATABASE [database]\u547d\u4ee4\u522a\u9664\u73fe\u6709\u6578\u64da\u5eab\uff0c\u638c\u63e1SQL\u6a21\u5f0f\u7684\u57fa\u672c\u64cd\u4f5c\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-76216","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76216","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=76216"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76216\/revisions"}],"predecessor-version":[{"id":76217,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76216\/revisions\/76217"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}