{"id":187608,"date":"2024-11-11T15:41:17","date_gmt":"2024-11-11T07:41:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187608\/"},"modified":"2024-11-11T15:41:18","modified_gmt":"2024-11-11T07:41:18","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5%e5%88%86%e9%a1%9e%ef%bc%8c%e4%ba%86%e8%a7%a3%e6%9b%b4%e9%ab%98%e6%95%88%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187608\/","title":{"rendered":"\u6578\u64da\u5eab\u8a9e\u53e5\u5206\u985e\uff0c\u4e86\u89e3\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c (\u6578\u64da\u5eab\u8a9e\u53e5\u5206\u5e7e\u985e)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5%e5%88%86%e9%a1%9e%ef%bc%8c%e4%ba%86%e8%a7%a3%e6%9b%b4%e9%ab%98%e6%95%88%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%93%8d%e4%bd%9c-JbOiqoMjLn\">\u6578\u64da\u5eab\u8a9e\u53e5\u5206\u985e\uff0c\u4e86\u89e3\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u64cd\u4f5c<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u81f3\u95dc\u91cd\u8981\u3002\u6578\u64da\u5eab\u8a9e\u53e5\u662f\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u57fa\u672c\u5de5\u5177\uff0c\u4e86\u89e3\u5176\u5206\u985e\u6709\u52a9\u65bc\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u9ad8\u6548\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u5eab\u8a9e\u53e5\u7684\u4e3b\u8981\u985e\u578b\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%88%86%e9%a1%9e-JbOiqoMjLn\">\u6578\u64da\u5eab\u8a9e\u53e5\u7684\u57fa\u672c\u5206\u985e<\/h2>\n<p>\u6578\u64da\u5eab\u8a9e\u53e5\u901a\u5e38\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5b9a\u7fa9\u8a9e\u53e5 (DDL)<\/strong><\/li>\n<li><strong>\u6578\u64da\u64cd\u4f5c\u8a9e\u53e5 (DML)<\/strong><\/li>\n<li><strong>\u6578\u64da\u63a7\u5236\u8a9e\u53e5 (DCL)<\/strong><\/li>\n<li><strong>\u4e8b\u52d9\u63a7\u5236\u8a9e\u53e5 (TCL)<\/strong><\/li>\n<\/ul>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ae%9a%e7%be%a9%e8%aa%9e%e5%8f%a5-ddl-JbOiqoMjLn\">1. \u6578\u64da\u5b9a\u7fa9\u8a9e\u53e5 (DDL)<\/h3>\n<p>\u6578\u64da\u5b9a\u7fa9\u8a9e\u53e5\u7528\u65bc\u5b9a\u7fa9\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u5305\u62ec\u5275\u5efa\u3001\u4fee\u6539\u548c\u522a\u9664\u6578\u64da\u5eab\u53ca\u5176\u5c0d\u8c61\uff08\u5982\u8868\u3001\u7d22\u5f15\u7b49\uff09\u3002\u5e38\u898b\u7684DDL\u8a9e\u53e5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>CREATE<\/code>\uff1a\u7528\u65bc\u5275\u5efa\u65b0\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002<\/li>\n<li><code>ALTER<\/code>\uff1a\u7528\u65bc\u4fee\u6539\u73fe\u6709\u7684\u6578\u64da\u5eab\u5c0d\u8c61\u3002<\/li>\n<li><code>DROP<\/code>\uff1a\u7528\u65bc\u522a\u9664\u6578\u64da\u5eab\u5c0d\u8c61\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cusers\u201d\u7684\u8868\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n);<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%aa%9e%e5%8f%a5-dml-JbOiqoMjLn\">2. \u6578\u64da\u64cd\u4f5c\u8a9e\u53e5 (DML)<\/h3>\n<p>\u6578\u64da\u64cd\u4f5c\u8a9e\u53e5\u7528\u65bc\u5c0d\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u9032\u884c\u67e5\u8a62\u548c\u64cd\u4f5c\u3002DML\u8a9e\u53e5\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>SELECT<\/code>\uff1a\u7528\u65bc\u67e5\u8a62\u6578\u64da\u3002<\/li>\n<li><code>INSERT<\/code>\uff1a\u7528\u65bc\u63d2\u5165\u65b0\u6578\u64da\u3002<\/li>\n<li><code>UPDATE<\/code>\uff1a\u7528\u65bc\u66f4\u65b0\u73fe\u6709\u6578\u64da\u3002<\/li>\n<li><code>DELETE<\/code>\uff1a\u7528\u65bc\u522a\u9664\u6578\u64da\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u63d2\u5165\u4e00\u689d\u65b0\u7528\u6236\u6578\u64da\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>INSERT INTO users (id, name, email) VALUES (1, 'John Doe', 'john@example.com');<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e8%aa%9e%e5%8f%a5-dcl-JbOiqoMjLn\">3. \u6578\u64da\u63a7\u5236\u8a9e\u53e5 (DCL)<\/h3>\n<p>\u6578\u64da\u63a7\u5236\u8a9e\u53e5\u7528\u65bc\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u6b0a\u9650\u3002\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>GRANT<\/code>\uff1a\u6388\u4e88\u7528\u6236\u6b0a\u9650\u3002<\/li>\n<li><code>REVOKE<\/code>\uff1a\u64a4\u92b7\u7528\u6236\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u6388\u4e88\u7528\u6236\u5c0d\u201cusers\u201d\u8868\u7684\u67e5\u8a62\u6b0a\u9650\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>GRANT SELECT ON users TO 'username';<\/code><\/pre>\n<h3 id=\"4-%e4%ba%8b%e5%8b%99%e6%8e%a7%e5%88%b6%e8%aa%9e%e5%8f%a5-tcl-JbOiqoMjLn\">4. \u4e8b\u52d9\u63a7\u5236\u8a9e\u53e5 (TCL)<\/h3>\n<p>\u4e8b\u52d9\u63a7\u5236\u8a9e\u53e5\u7528\u65bc\u7ba1\u7406\u4e8b\u52d9\u7684\u57f7\u884c\uff0c\u5305\u62ec\u63d0\u4ea4\u548c\u56de\u6efe\u64cd\u4f5c\u3002\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>COMMIT<\/code>\uff1a\u63d0\u4ea4\u4e8b\u52d9\u3002<\/li>\n<li><code>ROLLBACK<\/code>\uff1a\u56de\u6efe\u4e8b\u52d9\u3002<\/li>\n<li><code>SAVEPOINT<\/code>\uff1a\u8a2d\u7f6e\u4e8b\u52d9\u4e2d\u7684\u4fdd\u5b58\u9ede\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u63d0\u4ea4\u4e00\u500b\u4e8b\u52d9\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>COMMIT;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JbOiqoMjLn\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u6578\u64da\u5eab\u8a9e\u53e5\u7684\u5206\u985e\u5c0d\u65bc\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u638c\u63e1DDL\u3001DML\u3001DCL\u548cTCL\u8a9e\u53e5\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u5eab\u8a9e\u53e5\u7684\u5206\u985e\uff0c\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u6548\u7387\uff0c\u4e86\u89e3\u5404\u985e\u8a9e\u53e5\u7684\u529f\u80fd\u8207\u61c9\u7528\uff0c\u52a9\u4f60\u66f4\u597d\u7ba1\u7406\u6578\u64da\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-187608","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187608","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=187608"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187608\/revisions"}],"predecessor-version":[{"id":187609,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187608\/revisions\/187609"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}