{"id":96894,"date":"2024-10-20T13:15:20","date_gmt":"2024-10-20T05:15:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96894\/"},"modified":"2024-10-20T13:15:20","modified_gmt":"2024-10-20T05:15:20","slug":"postgresql-%e5%a6%82%e4%bd%95%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-postgrsql-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96894\/","title":{"rendered":"PostgreSQL: \u5982\u4f55\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\uff1f (postgrsql \u522a\u9664\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"postgresql-%e5%a6%82%e4%bd%95%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-iteXtGJotK\">PostgreSQL: \u5982\u4f55\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\uff1f<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u96a8\u8457\u6578\u64da\u5eab\u7684\u4f7f\u7528\u589e\u9577\uff0c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u9700\u6c42\u4e5f\u96a8\u4e4b\u589e\u52a0\u3002\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 PostgreSQL \u4e2d\u8f15\u9b06\u522a\u9664\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u6b65\u9a5f\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-iteXtGJotK\">\u522a\u9664\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u522a\u9664\u6578\u64da\u5eab\u7684\u57fa\u672c\u547d\u4ee4\u662f <code>DROP DATABASE<\/code>\u3002\u9019\u500b\u547d\u4ee4\u6703\u6c38\u4e45\u522a\u9664\u6307\u5b9a\u7684\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u6578\u64da\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u78ba\u8a8d\u60a8\u4e0d\u518d\u9700\u8981\u8a72\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1-%e9%80%a3%e6%8e%a5%e5%88%b0-postgresql-iteXtGJotK\">\u6b65\u9a5f 1: \u9023\u63a5\u5230 PostgreSQL<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230 PostgreSQL \u6578\u64da\u5eab\u670d\u52d9\u5668\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177 <code>psql<\/code> \u4f86\u9032\u884c\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>psql -U username -h hostname -d database_name<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>username<\/code> \u662f\u60a8\u7684\u7528\u6236\u540d\uff0c<code>hostname<\/code> \u662f\u6578\u64da\u5eab\u670d\u52d9\u5668\u7684\u5730\u5740\uff0c<code>database_name<\/code> \u662f\u60a8\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e6%95%b8%e6%93%9a%e5%ba%ab-iteXtGJotK\">\u6b65\u9a5f 2: \u78ba\u8a8d\u7576\u524d\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u522a\u9664\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u60a8\u4e0d\u5728\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u4e2d\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u9023\u63a5\u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SELECT current_database();<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u767c\u73fe\u81ea\u5df1\u5728\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u8acb\u5148\u5207\u63db\u5230\u5176\u4ed6\u6578\u64da\u5eab\uff0c\u4f8b\u5982 <code>postgres<\/code> \u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>c postgres<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab-iteXtGJotK\">\u6b65\u9a5f 3: \u522a\u9664\u6578\u64da\u5eab<\/h3>\n<p>\u4e00\u65e6\u60a8\u78ba\u8a8d\u4e0d\u5728\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528 <code>DROP DATABASE<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DROP DATABASE database_name;<\/code><\/pre>\n<p>\u8acb\u5c07 <code>database_name<\/code> \u66ff\u63db\u70ba\u60a8\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u8981\u522a\u9664\u540d\u70ba <code>test_db<\/code> \u7684\u6578\u64da\u5eab\uff0c\u5247\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n<pre><code>DROP DATABASE test_db;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-iteXtGJotK\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6b0a\u9650\u8981\u6c42\uff1a<\/strong>\u57f7\u884c <code>DROP DATABASE<\/code> \u547d\u4ee4\u7684\u7528\u6236\u5fc5\u9808\u64c1\u6709\u8a72\u6578\u64da\u5eab\u7684\u6240\u6709\u6b0a\u9650\u3002<\/li>\n<li><strong>\u6578\u64da\u4e1f\u5931\uff1a<\/strong>\u522a\u9664\u6578\u64da\u5eab\u5f8c\uff0c\u6240\u6709\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\uff0c\u56e0\u6b64\u8acb\u52d9\u5fc5\u5728\u522a\u9664\u4e4b\u524d\u5099\u4efd\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li><strong>\u9023\u63a5\u554f\u984c\uff1a<\/strong>\u5982\u679c\u6709\u5176\u4ed6\u7528\u6236\u6216\u61c9\u7528\u7a0b\u5e8f\u6b63\u5728\u4f7f\u7528\u8a72\u6578\u64da\u5eab\uff0c\u60a8\u5c07\u7121\u6cd5\u522a\u9664\u5b83\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u60a8\u9700\u8981\u5148\u7d42\u6b62\u9019\u4e9b\u9023\u63a5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-iteXtGJotK\">\u7d50\u8ad6<\/h2>\n<p>\u522a\u9664 PostgreSQL \u6578\u64da\u5eab\u662f\u4e00\u500b\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u5e7e\u500b\u6b65\u9a5f\u5373\u53ef\u5b8c\u6210\u3002\u7136\u800c\uff0c\u9019\u662f\u4e00\u500b\u4e0d\u53ef\u9006\u7684\u64cd\u4f5c\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u4e4b\u524d\u52d9\u5fc5\u5c0f\u5fc3\u3002\u78ba\u4fdd\u60a8\u64c1\u6709\u9069\u7576\u7684\u6b0a\u9650\uff0c\u4e26\u5728\u5fc5\u8981\u6642\u5099\u4efd\u6578\u64da\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u8f15\u9b06\u522a\u9664PostgreSQL\u6578\u64da\u5eab\uff0c\u638c\u63e1\u7c21\u55ae\u6b65\u9a5f\u8207\u6ce8\u610f\u4e8b\u9805\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u64cd\u4f5c\u6b63\u78ba\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-96894","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96894","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=96894"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96894\/revisions"}],"predecessor-version":[{"id":96895,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96894\/revisions\/96895"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}