{"id":2581,"date":"2025-03-09T19:01:15","date_gmt":"2025-03-09T11:01:15","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2581"},"modified":"2025-03-09T19:02:56","modified_gmt":"2025-03-09T11:02:56","slug":"postgresql-%e5%88%9b%e5%bb%ba%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/09\/postgresql-%e5%88%9b%e5%bb%ba%e6%95%b0%e6%8d%ae%e5%ba%93\/","title":{"rendered":"PostgreSQL \u521b\u5efa\u6570\u636e\u5e93"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728 PostgreSQL \u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684\u8fc7\u7a0b\u76f8\u5bf9\u7b80\u5355\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\u548c\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u7406\u89e3\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. \u4f7f\u7528 SQL \u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 PostgreSQL \u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684 SQL \u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE DATABASE dbname;<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>dbname<\/code> \u662f\u4f60\u60f3\u8981\u521b\u5efa\u7684\u6570\u636e\u5e93\u540d\u79f0\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u793a\u4f8b<\/strong><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE DATABASE mydatabase;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a <code>mydatabase<\/code> \u7684\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. \u4f7f\u7528\u6307\u5b9a\u7f16\u7801\u548c\u6a21\u677f\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u8fd8\u53ef\u4ee5\u5728\u521b\u5efa\u6570\u636e\u5e93\u65f6\u6307\u5b9a\u5b57\u7b26\u7f16\u7801\u3001\u5b57\u7b26\u96c6\u4ee5\u53ca\u5176\u4ed6\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u9700\u8981\u6307\u5b9a\u4f7f\u7528 UTF-8 \u7f16\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE DATABASE mydatabase\n    WITH ENCODING = 'UTF8';<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u8fd8\u53ef\u4ee5\u6307\u5b9a\u6a21\u677f\u6570\u636e\u5e93\uff0c\u9ed8\u8ba4\u662f <code>template1<\/code>\uff0c\u4f46\u662f\u4f60\u53ef\u4ee5\u9009\u62e9\u5176\u4ed6\u6a21\u677f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE DATABASE mydatabase\n    TEMPLATE template0;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. \u4f7f\u7528 <code>psql<\/code> \u547d\u4ee4\u884c\u5de5\u5177\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528 <code>psql<\/code> \u547d\u4ee4\u884c\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 1\uff1a\u8fde\u63a5\u5230 PostgreSQL<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u4f7f\u7528 <code>psql<\/code> \u5de5\u5177\u8fde\u63a5\u5230 PostgreSQL \u6570\u636e\u5e93\u670d\u52a1\u5668\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>psql -U postgres<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c06\u4ee5 <code>postgres<\/code> \u7528\u6237\u8fde\u63a5\u5230 PostgreSQL\u3002\u5982\u679c\u4f60\u6ca1\u6709\u8bbe\u7f6e\u8d85\u7ea7\u7528\u6237\u5bc6\u7801\uff0c\u5b83\u4f1a\u63d0\u793a\u4f60\u8f93\u5165\u5bc6\u7801\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 2\uff1a\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fde\u63a5\u6210\u529f\u540e\uff0c\u4f7f\u7528 SQL \u547d\u4ee4\u6765\u521b\u5efa\u6570\u636e\u5e93\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE DATABASE mydatabase;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. \u4f7f\u7528 pgAdmin \u56fe\u5f62\u5316\u754c\u9762\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u66f4\u503e\u5411\u4e8e\u56fe\u5f62\u5316\u754c\u9762\uff0c<code>pgAdmin<\/code> \u662f PostgreSQL \u63d0\u4f9b\u7684\u5b98\u65b9\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u6765\u8f7b\u677e\u521b\u5efa\u548c\u7ba1\u7406\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 1\uff1a\u6253\u5f00 pgAdmin<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u542f\u52a8 <code>pgAdmin<\/code>\uff0c\u5e76\u4f7f\u7528\u4f60\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u548c\u5bc6\u7801\u767b\u5f55\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6b65\u9aa4 2\uff1a\u521b\u5efa\u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u5de6\u4fa7\u7684\u6570\u636e\u5e93\u6811\u4e2d\uff0c\u53f3\u952e\u70b9\u51fb &#8220;Databases&#8221;\uff08\u6570\u636e\u5e93\uff09\u8282\u70b9\u3002<\/li>\n\n\n\n<li>\u9009\u62e9 &#8220;Create&#8221; &gt; &#8220;Database&#8221;\u3002<\/li>\n\n\n\n<li>\u5728\u5f39\u51fa\u7684\u7a97\u53e3\u4e2d\uff0c\u8f93\u5165\u6570\u636e\u5e93\u7684\u540d\u79f0\uff0c\u9009\u62e9\u5176\u4ed6\u9009\u9879\uff08\u5982\u62e5\u6709\u8005\u3001\u7f16\u7801\u3001\u6a21\u677f\u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u70b9\u51fb &#8220;Save&#8221; \u6765\u521b\u5efa\u6570\u636e\u5e93\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. \u5207\u6362\u5230\u65b0\u521b\u5efa\u7684\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u6570\u636e\u5e93\u540e\uff0c\u5982\u679c\u4f60\u5e0c\u671b\u5728\u547d\u4ee4\u884c\u6216 <code>psql<\/code> \u4e2d\u5207\u6362\u5230\u8be5\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>\\c<\/code> \u547d\u4ee4\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\\c mydatabase;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u5c31\u5207\u6362\u5230\u4e86 <code>mydatabase<\/code> \u6570\u636e\u5e93\uff0c\u51c6\u5907\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. \u5220\u9664\u6570\u636e\u5e93<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u4e0d\u518d\u9700\u8981\u67d0\u4e2a\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>DROP DATABASE<\/code> \u547d\u4ee4\u5220\u9664\u5b83\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP DATABASE mydatabase;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6ce8\u610f<\/strong>\uff1a\u5220\u9664\u6570\u636e\u5e93\u662f\u4e0d\u53ef\u6062\u590d\u7684\u64cd\u4f5c\uff0c\u6240\u4ee5\u8981\u8c28\u614e\u4f7f\u7528\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u603b\u7ed3<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 SQL \u8bed\u53e5 <code>CREATE DATABASE<\/code> \u521b\u5efa\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n<li>\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u7f16\u7801\u3001\u6a21\u677f\u7b49\u53c2\u6570\u5b9a\u5236\u6570\u636e\u5e93\u7684\u521b\u5efa\u3002<\/li>\n\n\n\n<li>\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>psql<\/code> \u6216 <code>pgAdmin<\/code> \u56fe\u5f62\u5316\u754c\u9762\u521b\u5efa\u6570\u636e\u5e93\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 PostgreSQL \u4e2d\u521b\u5efa\u6570\u636e\u5e93\u7684\u8fc7\u7a0b\u76f8\u5bf9\u7b80\u5355\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\u548c\u793a\u4f8b\uff0c\u5e2e\u52a9\u4f60\u7406\u89e3\u5982\u4f55\u521b\u5efa\u548c\u7ba1\u7406\u6570\u636e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[78],"tags":[],"class_list":["post-2581","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-postgresql"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2581"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2581\/revisions"}],"predecessor-version":[{"id":2586,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2581\/revisions\/2586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2585"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}