{"id":186450,"date":"2024-11-11T06:01:23","date_gmt":"2024-11-10T22:01:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/186450\/"},"modified":"2024-11-11T06:01:24","modified_gmt":"2024-11-10T22:01:24","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e7%be%a9%e5%af%a6%e9%a9%97%e5%a0%b1%e5%91%8a-%e8%a8%98%e9%8c%84%e5%af%a6%e9%a9%97%e6%ad%a5%e9%a9%9f%e5%8f%8a%e5%bf%83%e5%be%97%ef%bc%8c%e5%88%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/186450\/","title":{"rendered":"\u6578\u64da\u5eab\u5b9a\u7fa9\u5be6\u9a57\u5831\u544a\u2014\u2014\u8a18\u9304\u5be6\u9a57\u6b65\u9a5f\u53ca\u5fc3\u5f97\uff0c\u5206\u4eab\u6578\u64da\u5eab\u5b9a\u7fa9\u7684\u57fa\u790e\u77e5\u8b58\u8207\u6280\u5de7\uff08\u6578\u64da\u5eab\u5b9a\u7fa9\u5be6\u9a57\u5831\u544a\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%9a%e7%be%a9%e5%af%a6%e9%a9%97%e5%a0%b1%e5%91%8a-%e8%a8%98%e9%8c%84%e5%af%a6%e9%a9%97%e6%ad%a5%e9%a9%9f%e5%8f%8a%e5%bf%83%e5%be%97%ef%bc%8c%e5%88%86-OAdRAkFuwR\">\u6578\u64da\u5eab\u5b9a\u7fa9\u5be6\u9a57\u5831\u544a\u2014\u2014\u8a18\u9304\u5be6\u9a57\u6b65\u9a5f\u53ca\u5fc3\u5f97\uff0c\u5206\u4eab\u6578\u64da\u5eab\u5b9a\u7fa9\u7684\u57fa\u790e\u77e5\u8b58\u8207\u6280\u5de7<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b9a\u7fa9\u8207\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\uff0c\u5c0d\u6578\u64da\u7684\u6709\u6548\u7ba1\u7406\u90fd\u80fd\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u548c\u6c7a\u7b56\u8cea\u91cf\u3002\u672c\u7bc7\u6587\u7ae0\u5c07\u8a18\u9304\u4e00\u500b\u95dc\u65bc\u6578\u64da\u5eab\u5b9a\u7fa9\u7684\u5be6\u9a57\u5831\u544a\uff0c\u4e26\u5206\u4eab\u4e00\u4e9b\u57fa\u790e\u77e5\u8b58\u8207\u6280\u5de7\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u5eab\u7684\u904b\u4f5c\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%a9%97%e7%9b%ae%e7%9a%84-OAdRAkFuwR\">\u5be6\u9a57\u76ee\u7684<\/h2>\n<p>\u672c\u6b21\u5be6\u9a57\u65e8\u5728\u6df1\u5165\u4e86\u89e3\u6578\u64da\u5eab\u7684\u57fa\u672c\u6982\u5ff5\u3001\u7d50\u69cb\u53ca\u5176\u64cd\u4f5c\uff0c\u4e26\u901a\u904e\u5be6\u969b\u64cd\u4f5c\u4f86\u638c\u63e1\u6578\u64da\u5eab\u7684\u5b9a\u7fa9\u8207\u7ba1\u7406\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%a9%97%e6%ad%a5%e9%a9%9f-OAdRAkFuwR\">\u5be6\u9a57\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-OAdRAkFuwR\">1. \u74b0\u5883\u6e96\u5099<\/h3>\n<ul>\n<li>\u9078\u64c7\u4e00\u500b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\uff0c\u5982 MySQL \u6216 PostgreSQL\u3002<\/li>\n<li>\u5b89\u88dd\u6240\u9078\u7684 DBMS\uff0c\u4e26\u78ba\u4fdd\u5176\u904b\u884c\u6b63\u5e38\u3002<\/li>\n<li>\u6e96\u5099\u4e00\u500b\u6e2c\u8a66\u6578\u64da\u96c6\uff0c\u4ee5\u4fbf\u9032\u884c\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-OAdRAkFuwR\">2. \u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<pre><code>CREATE DATABASE test_db;<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0 SQL \u8a9e\u53e5\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>test_db<\/code> \u7684\u6578\u64da\u5eab\u3002<\/p>\n<h3 id=\"3-%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-OAdRAkFuwR\">3. \u5275\u5efa\u6578\u64da\u8868<\/h3>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<p>\u5728 <code>test_db<\/code> \u6578\u64da\u5eab\u4e2d\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>users<\/code> \u7684\u6578\u64da\u8868\uff0c\u5305\u542b\u4e09\u500b\u5b57\u6bb5\uff1a<code>id<\/code>\u3001<code>name<\/code> \u548c <code>email<\/code>\u3002<\/p>\n<h3 id=\"4-%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-OAdRAkFuwR\">4. \u63d2\u5165\u6578\u64da<\/h3>\n<pre><code>INSERT INTO users (name, email) VALUES ('Alice', 'alice@example.com');<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0 SQL \u8a9e\u53e5\u5411 <code>users<\/code> \u8868\u4e2d\u63d2\u5165\u4e00\u689d\u6578\u64da\u3002<\/p>\n<h3 id=\"5-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-OAdRAkFuwR\">5. \u67e5\u8a62\u6578\u64da<\/h3>\n<pre><code>SELECT * FROM users;<\/code><\/pre>\n<p>\u901a\u904e\u9019\u689d SQL \u8a9e\u53e5\u67e5\u8a62 <code>users<\/code> \u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002<\/p>\n<h3 id=\"6-%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-OAdRAkFuwR\">6. \u66f4\u65b0\u6578\u64da<\/h3>\n<pre><code>UPDATE users SET email = 'alice_new@example.com' WHERE name = 'Alice';<\/code><\/pre>\n<p>\u4f7f\u7528\u9019\u689d SQL \u8a9e\u53e5\u66f4\u65b0 <code>users<\/code> \u8868\u4e2d Alice \u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n<h3 id=\"7-%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-OAdRAkFuwR\">7. \u522a\u9664\u6578\u64da<\/h3>\n<pre><code>DELETE FROM users WHERE name = 'Alice';<\/code><\/pre>\n<p>\u901a\u904e\u9019\u689d SQL \u8a9e\u53e5\u522a\u9664 <code>users<\/code> \u8868\u4e2d\u540d\u70ba Alice \u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%a9%97%e5%bf%83%e5%be%97-OAdRAkFuwR\">\u5be6\u9a57\u5fc3\u5f97<\/h2>\n<p>\u901a\u904e\u672c\u6b21\u5be6\u9a57\uff0c\u6211\u5c0d\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u6709\u4e86\u66f4\u6df1\u5165\u7684\u7406\u89e3\u3002\u6578\u64da\u5eab\u7684\u5b9a\u7fa9\u4e0d\u50c5\u50c5\u662f\u6578\u64da\u7684\u5b58\u5132\uff0c\u66f4\u662f\u6578\u64da\u7684\u7ba1\u7406\u8207\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u6211\u5728\u5be6\u9a57\u904e\u7a0b\u4e2d\u7684\u4e00\u4e9b\u5fc3\u5f97\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u8a2d\u8a08\u7684\u91cd\u8981\u6027\uff1a<\/strong>\u5728\u5275\u5efa\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u5408\u7406\u7684\u8a2d\u8a08\u6578\u64da\u7d50\u69cb\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u5b58\u53d6\u6548\u7387\u3002<\/li>\n<li><strong>SQL \u8a9e\u8a00\u7684\u9748\u6d3b\u6027\uff1a<\/strong>SQL \u4f5c\u70ba\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u4e3b\u8981\u8a9e\u8a00\uff0c\u5176\u9748\u6d3b\u6027\u548c\u5f37\u5927\u529f\u80fd\u4f7f\u5f97\u6578\u64da\u7684\u7ba1\u7406\u8b8a\u5f97\u7c21\u55ae\u3002<\/li>\n<li><strong>\u6578\u64da\u7684\u5b8c\u6574\u6027\u8207\u5b89\u5168\u6027\uff1a<\/strong>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u9700\u8981\u901a\u904e\u9069\u7576\u7684\u6b0a\u9650\u7ba1\u7406\u548c\u6578\u64da\u5099\u4efd\u4f86\u5be6\u73fe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OAdRAkFuwR\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6b21\u6578\u64da\u5eab\u5b9a\u7fa9\u5be6\u9a57\u5831\u544a\u4e0d\u50c5\u8a18\u9304\u4e86\u5be6\u9a57\u7684\u6b65\u9a5f\uff0c\u9084\u5206\u4eab\u4e86\u6578\u64da\u5eab\u7684\u57fa\u790e\u77e5\u8b58\u8207\u6280\u5de7\u3002\u5e0c\u671b\u9019\u4e9b\u5167\u5bb9\u80fd\u5920\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u5eab\u7684\u904b\u4f5c\u539f\u7406\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6709\u66f4\u6df1\u5165\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u642d\u5efa\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u9ad8\u6548\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6578\u64da\u5eab\u5b9a\u7fa9\u5be6\u9a57\u5831\u544a\uff0c\u8a18\u9304\u5be6\u9a57\u6b65\u9a5f\u8207\u5fc3\u5f97\uff0c\u5206\u4eab\u6578\u64da\u5eab\u5b9a\u7fa9\u7684\u57fa\u790e\u77e5\u8b58\u8207\u6280\u5de7\uff0c\u52a9\u4f60\u638c\u63e1\u6578\u64da\u5eab\u6982\u5ff5\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-186450","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186450","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=186450"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186450\/revisions"}],"predecessor-version":[{"id":186451,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/186450\/revisions\/186451"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=186450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=186450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=186450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}