{"id":96890,"date":"2024-10-20T13:13:19","date_gmt":"2024-10-20T05:13:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96890\/"},"modified":"2024-10-20T13:13:19","modified_gmt":"2024-10-20T05:13:19","slug":"postgresql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97-postgres-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96890\/","title":{"rendered":"PostgreSQL \u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\u6307\u5357 (postgres \u522a\u9664\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"postgresql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c%e6%8c%87%e5%8d%97-postgres-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab-TMWWQEsxwi\">PostgreSQL \u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\u6307\u5357 (postgres \u522a\u9664\u6578\u64da\u5eab)<\/h1>\n<p>PostgreSQL \u662f\u4e00\u500b\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\u63d0\u4f9b\u4e00\u500b\u8a73\u7d30\u7684 PostgreSQL \u6578\u64da\u5eab\u522a\u9664\u64cd\u4f5c\u6307\u5357\uff0c\u5e6b\u52a9\u60a8\u5b89\u5168\u6709\u6548\u5730\u57f7\u884c\u9019\u4e00\u64cd\u4f5c\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%a6%82%e5%bf%b5-TMWWQEsxwi\">\u522a\u9664\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u522a\u9664\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u9019\u610f\u5473\u8457\u4e00\u65e6\u522a\u9664\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002\u56e0\u6b64\uff0c\u5728\u57f7\u884c\u522a\u9664\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u60a8\u78ba\u4fdd\u8a72\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u5df2\u7d93\u5099\u4efd\uff0c\u6216\u8005\u78ba\u5b9a\u8a72\u6578\u64da\u5eab\u4e0d\u518d\u9700\u8981\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-TMWWQEsxwi\">\u522a\u9664\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e9%80%a3%e6%8e%a5%e5%88%b0-postgresql-%e6%95%b8%e6%93%9a%e5%ba%ab-TMWWQEsxwi\">1. \u9023\u63a5\u5230 PostgreSQL \u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u9023\u63a5\u5230 PostgreSQL \u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177 `psql` \u4f86\u9032\u884c\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u5230 PostgreSQL \u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n<pre><code>psql -U username -h hostname -d dbname<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`username` \u662f\u60a8\u7684\u7528\u6236\u540d\uff0c`hostname` \u662f\u6578\u64da\u5eab\u4f3a\u670d\u5668\u7684\u5730\u5740\uff0c`dbname` \u662f\u60a8\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e9%80%a3%e6%8e%a5%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-TMWWQEsxwi\">2. \u78ba\u8a8d\u7576\u524d\u9023\u63a5\u7684\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\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 `postgres` \u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>c postgres<\/code><\/pre>\n<h3 id=\"3-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab-TMWWQEsxwi\">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\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>DROP DATABASE dbname;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c`dbname` \u662f\u60a8\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0cPostgreSQL \u5c07\u522a\u9664\u8a72\u6578\u64da\u5eab\u53ca\u5176\u6240\u6709\u5167\u5bb9\u3002<\/p>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-TMWWQEsxwi\">\u522a\u9664\u6578\u64da\u5eab\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u78ba\u4fdd\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u4f86\u522a\u9664\u6578\u64da\u5eab\u3002\u901a\u5e38\uff0c\u53ea\u6709\u6578\u64da\u5eab\u7684\u64c1\u6709\u8005\u6216\u8d85\u7d1a\u7528\u6236\u624d\u80fd\u57f7\u884c\u6b64\u64cd\u4f5c\u3002<\/li>\n<li>\u5728\u522a\u9664\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u5099\u4efd\u91cd\u8981\u6578\u64da\uff0c\u4ee5\u9632\u672a\u4f86\u9700\u8981\u6062\u5fa9\u3002<\/li>\n<li>\u522a\u9664\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u8acb\u8b39\u614e\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-TMWWQEsxwi\">\u5e38\u898b\u554f\u984c<\/h2>\n<h3 id=\"1-%e5%a6%82%e4%bd%95%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e6%98%af%e5%90%a6%e5%b7%b2%e6%88%90%e5%8a%9f%e5%88%aa%e9%99%a4%ef%bc%9f-TMWWQEsxwi\">1. \u5982\u4f55\u78ba\u8a8d\u6578\u64da\u5eab\u662f\u5426\u5df2\u6210\u529f\u522a\u9664\uff1f<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7576\u524d\u7cfb\u7d71\u4e2d\u7684\u6240\u6709\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SELECT datname FROM pg_database;<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u5728\u5217\u8868\u4e2d\u627e\u4e0d\u5230\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\uff0c\u5247\u8868\u793a\u8a72\u6578\u64da\u5eab\u5df2\u6210\u529f\u522a\u9664\u3002<\/p>\n<h3 id=\"2-%e5%a6%82%e6%9e%9c%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e5%ba%ab%e6%99%82%e5%87%ba%e7%8f%be%e9%8c%af%e8%aa%a4%ef%bc%8c%e8%a9%b2%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-TMWWQEsxwi\">2. \u5982\u679c\u522a\u9664\u6578\u64da\u5eab\u6642\u51fa\u73fe\u932f\u8aa4\uff0c\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n<p>\u5982\u679c\u5728\u522a\u9664\u6578\u64da\u5eab\u6642\u51fa\u73fe\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u60a8\u662f\u5426\u5728\u8981\u522a\u9664\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u6216\u78ba\u8a8d\u60a8\u662f\u5426\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u8acb\u67e5\u770b\u932f\u8aa4\u4fe1\u606f\u4ee5\u7372\u53d6\u66f4\u591a\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TMWWQEsxwi\">\u7e3d\u7d50<\/h2>\n<p>\u522a\u9664 PostgreSQL \u6578\u64da\u5eab\u662f\u4e00\u500b\u7c21\u55ae\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u7684\u904e\u7a0b\u3002\u78ba\u4fdd\u5728\u522a\u9664\u4e4b\u524d\u5099\u4efd\u91cd\u8981\u6578\u64da\uff0c\u4e26\u78ba\u8a8d\u60a8\u64c1\u6709\u8db3\u5920\u7684\u6b0a\u9650\u3002\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5b89\u5168\u5730\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728PostgreSQL\u4e2d\u5b89\u5168\u5730\u522a\u9664\u6578\u64da\u5eab\uff0c\u6b65\u9a5f\u7c21\u55ae\u660e\u77ad\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u9ad8\u6548\u8207\u5b89\u5168\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-96890","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96890","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=96890"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96890\/revisions"}],"predecessor-version":[{"id":96891,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96890\/revisions\/96891"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}