{"id":20340,"date":"2024-01-02T04:33:18","date_gmt":"2024-01-02T04:33:18","guid":{"rendered":"https:\/\/server.hk\/blog\/20340\/"},"modified":"2024-11-14T10:40:09","modified_gmt":"2024-11-14T02:40:09","slug":"postgresql-command-drop-database","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/20340\/","title":{"rendered":"PostgreSQL \u6307\u4ee4\uff1aDROP DATABASE"},"content":{"rendered":"<h1 id=\"postgresql-command-drop-database-UTKDzQnpsI\">PostgreSQL \u6307\u4ee4\uff1aDROP DATABASE<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u5f37\u5927\u4e14\u53d7\u6b61\u8fce\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08RDBMS\uff09\uff0c\u4ee5\u5176\u7a69\u5b9a\u6027\u3001\u53ef\u64f4\u5c55\u6027\u53ca\u9748\u6d3b\u6027\u805e\u540d\u3002\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u6307\u4ee4\u53ca\u529f\u80fd\u4f86\u6709\u6548\u7ba1\u7406\u8cc7\u6599\u5eab\uff0c\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u6307\u4ee4\u662f <code>DROP DATABASE<\/code>\uff0c\u8a72\u6307\u4ee4\u5141\u8a31\u7528\u6236\u5f9e PostgreSQL \u4f3a\u670d\u5668\u4e2d\u522a\u9664\u8cc7\u6599\u5eab\u3002<\/p>\n<h2 id=\"syntax-UTKDzQnpsI\">\u8a9e\u6cd5<\/h2>\n<p><code>DROP DATABASE<\/code> \u6307\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP DATABASE [IF EXISTS] database_name;\r\n<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>IF EXISTS<\/code> \u5b50\u53e5\u662f\u53ef\u9078\u7684\uff0c\u5141\u8a31\u5373\u4f7f\u6307\u5b9a\u7684\u8cc7\u6599\u5eab\u4e0d\u5b58\u5728\uff0c\u6307\u4ee4\u4ecd\u53ef\u6210\u529f\u57f7\u884c\u3002\u5982\u679c\u4e0d\u4f7f\u7528 <code>IF EXISTS<\/code> \u5b50\u53e5\u800c\u6307\u5b9a\u7684\u8cc7\u6599\u5eab\u4e0d\u5b58\u5728\uff0c\u5247\u6703\u62cb\u51fa\u932f\u8aa4\u3002<\/p>\n<h2 id=\"usage-UTKDzQnpsI\">\u7528\u9014<\/h2>\n<p><code>DROP DATABASE<\/code> \u6307\u4ee4\u901a\u5e38\u5728\u4e0d\u518d\u9700\u8981\u8cc7\u6599\u5eab\u6216\u9700\u8981\u91cd\u65b0\u5275\u5efa\u5177\u6709\u4e0d\u540c\u914d\u7f6e\u7684\u8cc7\u6599\u5eab\u6642\u4f7f\u7528\u3002\u4e0d\u904e\uff0c\u8acb\u6ce8\u610f\uff0c\u522a\u9664\u8cc7\u6599\u5eab\u5c07\u6c38\u4e45\u522a\u9664\u5176\u6240\u6709\u8cc7\u6599\uff0c\u5305\u62ec\u8868\u683c\u3001\u8996\u5716\u3001\u7d22\u5f15\u53ca\u8207\u5176\u76f8\u95dc\u7684\u5176\u4ed6\u7269\u4ef6\u3002\u56e0\u6b64\uff0c\u4f7f\u7528\u6b64\u6307\u4ee4\u6642\u5fc5\u9808\u683c\u5916\u5c0f\u5fc3\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>DROP DATABASE<\/code> \u6307\u4ee4\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>DROP DATABASE mydatabase;\r\n<\/code><\/pre>\n<p>\u6b64\u6307\u4ee4\u5c07\u5f9e PostgreSQL \u4f3a\u670d\u5668\u4e2d\u522a\u9664\u540d\u70ba &#8220;mydatabase&#8221; \u7684\u8cc7\u6599\u5eab\u3002\u5982\u679c\u8a72\u8cc7\u6599\u5eab\u4e0d\u5b58\u5728\uff0c\u5c07\u6703\u62cb\u51fa\u932f\u8aa4\u3002<\/p>\n<h2 id=\"precautions-UTKDzQnpsI\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u57f7\u884c <code>DROP DATABASE<\/code> \u6307\u4ee4\u4e4b\u524d\uff0c\u61c9\u8003\u616e\u4ee5\u4e0b\u6ce8\u610f\u4e8b\u9805\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u5df2\u7d93\u5099\u4efd\u4e86\u8cc7\u6599\u5eab\u6216\u5176\u4e2d\u5b58\u5132\u7684\u4efb\u4f55\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u522a\u9664\u8a72\u8cc7\u6599\u5eab\u7684\u5fc5\u8981\u6b0a\u9650\u3002\u901a\u5e38\uff0c\u53ea\u6709\u8d85\u7d1a\u7528\u6236\u6216\u8cc7\u6599\u5eab\u64c1\u6709\u8005\u64c1\u6709\u522a\u9664\u8cc7\u6599\u5eab\u7684\u6b0a\u9650\u3002<\/li>\n<li>\u4ed4\u7d30\u6aa2\u67e5\u8cc7\u6599\u5eab\u540d\u7a31\uff0c\u907f\u514d\u610f\u5916\u522a\u9664\u932f\u8aa4\u7684\u8cc7\u6599\u5eab\u3002<\/li>\n<\/ul>\n<h2 id=\"summary-UTKDzQnpsI\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u4e2d\u7684 <code>DROP DATABASE<\/code> \u6307\u4ee4\u5141\u8a31\u7528\u6236\u5f9e\u4f3a\u670d\u5668\u4e2d\u522a\u9664\u8cc7\u6599\u5eab\u3002\u9019\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u6307\u4ee4\uff0c\u4f7f\u7528\u6642\u9700\u7279\u5225\u8b39\u614e\uff0c\u56e0\u70ba\u5b83\u5c07\u6c38\u4e45\u522a\u9664\u8207\u8a72\u8cc7\u6599\u5eab\u76f8\u95dc\u7684\u6240\u6709\u8cc7\u6599\u3002\u5728\u57f7\u884c\u6b64\u6307\u4ee4\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u8cc7\u6599\u5eab\u4e26\u78ba\u4fdd\u5177\u5099\u76f8\u61c9\u7684\u6b0a\u9650\u3002\u5982\u9700\u66f4\u591a\u95dc\u65bc PostgreSQL \u53ca\u5176\u5404\u7a2e\u6307\u4ee4\u7684\u8cc7\u8a0a\uff0c\u8acb\u8003\u616e\u63a2\u7d22 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u8a17\u7ba1\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u5177\u53ef\u64f4\u5c55\u6027\u7684\u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PostgreSQL \u6307\u4ee4\uff1aDR&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-20340","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20340","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=20340"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20340\/revisions"}],"predecessor-version":[{"id":24419,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/20340\/revisions\/24419"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=20340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=20340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=20340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}