{"id":81028,"date":"2024-10-16T14:56:16","date_gmt":"2024-10-16T06:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/81028\/"},"modified":"2024-10-16T14:56:17","modified_gmt":"2024-10-16T06:56:17","slug":"mys%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e8%aa%9e%e8%a8%80%ef%bc%9a%e8%ae%93%e6%95%b8%e6%93%9a%e6%8e%8c%e6%8f%a1%e6%96%bc%e6%89%8b-mys%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/81028\/","title":{"rendered":"Mys\u6578\u64da\u5eab\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\uff1a\u8b93\u6578\u64da\u638c\u63e1\u65bc\u624b (Mys\u6578\u64da\u5eab\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00)"},"content":{"rendered":"<h1 id=\"mys%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e8%aa%9e%e8%a8%80%ef%bc%9a%e8%ae%93%e6%95%b8%e6%93%9a%e6%8e%8c%e6%8f%a1%e6%96%bc%e6%89%8b-OQgJRNvXAh\">Mys\u6578\u64da\u5eab\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\uff1a\u8b93\u6578\u64da\u638c\u63e1\u65bc\u624b<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Mys\u6578\u64da\u5eab\uff08MySQL\uff09\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\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\u672c\u6587\u5c07\u4ecb\u7d39Mys\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u638c\u63e1\u6578\u64da\u7684\u7ba1\u7406\u8207\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmys%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-OQgJRNvXAh\">\u4ec0\u9ebc\u662fMys\u6578\u64da\u5eab\uff1f<\/h2>\n<p>Mys\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u57fa\u65bcSQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u5b83\u7531\u745e\u5178\u7684MySQL AB\u516c\u53f8\u958b\u767c\uff0c\u5f8c\u4f86\u88abOracle\u516c\u53f8\u6536\u8cfc\u3002Mys\u6578\u64da\u5eab\u4ee5\u5176\u9ad8\u6548\u6027\u3001\u53ef\u9760\u6027\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\uff0c\u7279\u5225\u662f\u5728Web\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c%e8%aa%9e%e8%a8%80%ef%bc%88sql%ef%bc%89-OQgJRNvXAh\">\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\uff08SQL\uff09<\/h2>\n<p>SQL\u662f\u7528\u65bc\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u5b83\u5305\u62ec\u591a\u7a2e\u64cd\u4f5c\uff0c\u4e3b\u8981\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong id=\"%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%e8%aa%9e%e8%a8%80%ef%bc%88dql%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u67e5\u8a62\u8a9e\u8a00\uff08DQL\uff09<\/strong>\uff1a\u7528\u65bc\u67e5\u8a62\u6578\u64da\u3002<\/li>\n<li><strong id=\"%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%aa%9e%e8%a8%80%ef%bc%88dml%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff08DML\uff09<\/strong>\uff1a\u7528\u65bc\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002<\/li>\n<li><strong id=\"%e6%95%b8%e6%93%9a%e5%ae%9a%e7%be%a9%e8%aa%9e%e8%a8%80%ef%bc%88ddl%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff08DDL\uff09<\/strong>\uff1a\u7528\u65bc\u5275\u5efa\u548c\u4fee\u6539\u6578\u64da\u5eab\u7d50\u69cb\u3002<\/li>\n<li><strong id=\"%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e8%aa%9e%e8%a8%80%ef%bc%88dcl%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u63a7\u5236\u8a9e\u8a00\uff08DCL\uff09<\/strong>\uff1a\u7528\u65bc\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u6b0a\u9650\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%9f%a5%e8%a9%a2%e8%aa%9e%e8%a8%80%ef%bc%88dql%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u67e5\u8a62\u8a9e\u8a00\uff08DQL\uff09<\/h3>\n<p>DQL\u4e3b\u8981\u4f7f\u7528SELECT\u8a9e\u53e5\u4f86\u67e5\u8a62\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE age &gt; 18;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5f9eusers\u8868\u4e2d\u9078\u64c7\u6240\u6709\u5e74\u9f61\u5927\u65bc18\u7684\u7528\u6236\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%93%8d%e4%bd%9c%e8%aa%9e%e8%a8%80%ef%bc%88dml%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u64cd\u4f5c\u8a9e\u8a00\uff08DML\uff09<\/h3>\n<p>DML\u8a9e\u53e5\u7528\u65bc\u5c0d\u6578\u64da\u9032\u884c\u64cd\u4f5c\uff0c\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u9019\u4e9b\u64cd\u4f5c\u7684\u793a\u4f8b\uff1a<\/p>\n<ul>\n<li><strong>\u63d2\u5165\u6578\u64da\uff1a<\/strong><\/li>\n<pre><code>INSERT INTO users (name, age) VALUES ('John Doe', 30);<\/code><\/pre>\n<li><strong>\u66f4\u65b0\u6578\u64da\uff1a<\/strong><\/li>\n<pre><code>UPDATE users SET age = 31 WHERE name = 'John Doe';<\/code><\/pre>\n<li><strong>\u522a\u9664\u6578\u64da\uff1a<\/strong><\/li>\n<pre><code>DELETE FROM users WHERE name = 'John Doe';<\/code><\/pre>\n<\/ul>\n<h3 id=\"%e6%95%b8%e6%93%9a%e5%ae%9a%e7%be%a9%e8%aa%9e%e8%a8%80%ef%bc%88ddl%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u5b9a\u7fa9\u8a9e\u8a00\uff08DDL\uff09<\/h3>\n<p>DDL\u8a9e\u53e5\u7528\u65bc\u5275\u5efa\u548c\u4fee\u6539\u6578\u64da\u5eab\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    age INT\n);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70bausers\u7684\u8868\uff0c\u5305\u542bid\u3001name\u548cage\u4e09\u500b\u5b57\u6bb5\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%8e%a7%e5%88%b6%e8%aa%9e%e8%a8%80%ef%bc%88dcl%ef%bc%89-OQgJRNvXAh\">\u6578\u64da\u63a7\u5236\u8a9e\u8a00\uff08DCL\uff09<\/h3>\n<p>DCL\u8a9e\u53e5\u7528\u65bc\u63a7\u5236\u5c0d\u6578\u64da\u7684\u8a2a\u554f\u6b0a\u9650\u3002\u4ee5\u4e0b\u662f\u6388\u4e88\u7528\u6236\u6b0a\u9650\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>GRANT SELECT, INSERT ON users TO 'username'@'localhost';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u6388\u4e88\u6307\u5b9a\u7528\u6236\u5c0dusers\u8868\u7684\u67e5\u8a62\u548c\u63d2\u5165\u6b0a\u9650\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-OQgJRNvXAh\">\u7d50\u8ad6<\/h2>\n<p>\u638c\u63e1Mys\u6578\u64da\u5eab\u7684\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\u5c0d\u65bc\u6578\u64da\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u67e5\u8a62\u6578\u64da\u3001\u64cd\u4f5c\u6578\u64da\u9084\u662f\u7ba1\u7406\u6578\u64da\u5eab\u7d50\u69cb\uff0cSQL\u90fd\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u8655\u7406\u6578\u64da\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u589e\u9577\uff0c\u5b78\u7fd2\u548c\u638c\u63e1\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\u5c07\u4f7f\u60a8\u5728\u6578\u64da\u7ba1\u7406\u9818\u57df\u4e2d\u66f4\u5177\u7af6\u722d\u529b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Mys\u6578\u64da\u5eab\u57fa\u672c\u64cd\u4f5c\u8a9e\u8a00\uff0c\u638c\u63e1\u6578\u64da\u7ba1\u7406\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u8b93\u6578\u64da\u904b\u7528\u66f4\u5f97\u5fc3\u61c9\u624b\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-81028","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81028","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=81028"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81028\/revisions"}],"predecessor-version":[{"id":81029,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/81028\/revisions\/81029"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=81028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=81028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=81028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}