{"id":183542,"date":"2024-11-10T05:41:19","date_gmt":"2024-11-09T21:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183542\/"},"modified":"2024-11-10T05:41:20","modified_gmt":"2024-11-09T21:41:20","slug":"%e4%bd%bf%e7%94%a8-postgresql-%e5%bb%ba%e7%ab%8b%e4%bd%a0%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183542\/","title":{"rendered":"\u4f7f\u7528 PostgreSQL \u5efa\u7acb\u4f60\u7684\u6578\u64da\u5eab"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8-postgresql-%e5%bb%ba%e7%ab%8b%e4%bd%a0%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-iPBgRskYYI\">\u4f7f\u7528 PostgreSQL \u5efa\u7acb\u4f60\u7684\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002PostgreSQL \u4f5c\u70ba\u4e00\u500b\u958b\u6e90\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u56e0\u5176\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 PostgreSQL \u5efa\u7acb\u4f60\u7684\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2 id=\"postgresql-%e7%b0%a1%e4%bb%8b-iPBgRskYYI\">PostgreSQL \u7c21\u4ecb<\/h2>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u5c0d\u8c61\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u548c\u8907\u96dc\u7684\u67e5\u8a62\u3002\u5b83\u7684\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u652f\u6301 ACID \u4e8b\u52d9<\/li>\n<li>\u64f4\u5c55\u6027\u5f37\uff0c\u652f\u6301\u81ea\u5b9a\u7fa9\u6578\u64da\u985e\u578b\u548c\u51fd\u6578<\/li>\n<li>\u5f37\u5927\u7684\u67e5\u8a62\u512a\u5316\u5668<\/li>\n<li>\u652f\u6301\u5730\u7406\u7a7a\u9593\u6578\u64da\uff08PostGIS\uff09<\/li>\n<li>\u793e\u5340\u6d3b\u8e8d\uff0c\u6301\u7e8c\u66f4\u65b0\u548c\u6539\u9032<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%89%e8%a3%9d-postgresql-iPBgRskYYI\">\u5b89\u88dd PostgreSQL<\/h2>\n<p>\u5728\u958b\u59cb\u4f7f\u7528 PostgreSQL \u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5b89\u88dd\u5b83\u3002\u4ee5\u4e0b\u662f\u5b89\u88dd PostgreSQL \u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e5%9c%a8-ubuntu-%e4%b8%8a%e5%ae%89%e8%a3%9d-postgresql-iPBgRskYYI\">\u5728 Ubuntu \u4e0a\u5b89\u88dd PostgreSQL<\/h3>\n<pre><code>sudo apt update\nsudo apt install postgresql postgresql-contrib<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 PostgreSQL \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start postgresql<\/code><\/pre>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab-iPBgRskYYI\">\u5efa\u7acb\u6578\u64da\u5eab<\/h2>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 PostgreSQL \u7684\u547d\u4ee4\u884c\u5de5\u5177 `psql` \u4f86\u5efa\u7acb\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u5efa\u7acb\u6578\u64da\u5eab\u7684\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"%e9%80%b2%e5%85%a5-postgresql-%e5%91%bd%e4%bb%a4%e8%a1%8c-iPBgRskYYI\">\u9032\u5165 PostgreSQL \u547d\u4ee4\u884c<\/h3>\n<pre><code>sudo -u postgres psql<\/code><\/pre>\n<h3 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab-iPBgRskYYI\">\u5efa\u7acb\u6578\u64da\u5eab<\/h3>\n<p>\u5728 `psql` \u63d0\u793a\u7b26\u4e0b\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5efa\u7acb\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE mydatabase;<\/code><\/pre>\n<p>\u9019\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba `mydatabase` \u7684\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e8%a1%a8-iPBgRskYYI\">\u5efa\u7acb\u6578\u64da\u8868<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u5728\u6578\u64da\u5eab\u4e2d\u5efa\u7acb\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5efa\u7acb\u4e00\u500b\u7528\u65bc\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684\u6578\u64da\u8868\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id SERIAL PRIMARY KEY,\n    username VARCHAR(50) NOT NULL,\n    email VARCHAR(100) NOT NULL UNIQUE,\n    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP\n);<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba `users` \u7684\u6578\u64da\u8868\uff0c\u5305\u542b\u7528\u6236\u7684 ID\u3001\u7528\u6236\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u548c\u5275\u5efa\u6642\u9593\u3002<\/p>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-iPBgRskYYI\">\u63d2\u5165\u6578\u64da<\/h2>\n<p>\u5efa\u7acb\u6578\u64da\u8868\u5f8c\uff0c\u60a8\u53ef\u4ee5\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO users (username, email) VALUES ('john_doe', 'john@example.com');<\/code><\/pre>\n<p>\u9019\u5c07\u5728 `users` \u8868\u4e2d\u63d2\u5165\u4e00\u689d\u65b0\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-iPBgRskYYI\">\u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 SQL \u67e5\u8a62\u4f86\u6aa2\u7d22\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6240\u6709\u7528\u6236\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de `users` \u8868\u4e2d\u7684\u6240\u6709\u8a18\u9304\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-iPBgRskYYI\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u60a8\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\uff0c\u9650\u5236\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-iPBgRskYYI\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u9069\u5408\u5404\u7a2e\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u60a8\u61c9\u8a72\u80fd\u5920\u958b\u59cb\u4f7f\u7528 PostgreSQL \u5efa\u7acb\u548c\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684 PostgreSQL \u6578\u64da\u5eab\uff0c\u4eab\u53d7\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 PostgreSQL \u5efa\u7acb\u548c\u7ba1\u7406\u4f60\u7684\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u8207\u67e5\u8a62\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-183542","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183542","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=183542"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183542\/revisions"}],"predecessor-version":[{"id":183543,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183542\/revisions\/183543"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}