{"id":180214,"date":"2024-11-09T08:21:19","date_gmt":"2024-11-09T00:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180214\/"},"modified":"2024-11-09T08:21:19","modified_gmt":"2024-11-09T00:21:19","slug":"%e9%99%9d%e8%a5%bf2023%e8%bb%9f%e8%80%83%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%a6%e9%a1%8c%e4%b8%80%e8%a6%bd-2023%e9%99%9d%e8%a5%bf%e8%bb%9f%e8%80%83%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%a6%e9%a1%8c","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180214\/","title":{"rendered":"\u965d\u897f2023\u8edf\u8003\u6578\u64da\u5eab\u8a66\u984c\u4e00\u89bd (2023\u965d\u897f\u8edf\u8003\u6578\u64da\u5eab\u8a66\u984c)"},"content":{"rendered":"<h1 id=\"%e9%99%9d%e8%a5%bf2023%e8%bb%9f%e8%80%83%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%a6%e9%a1%8c%e4%b8%80%e8%a6%bd-MfTLlcehiH\">\u965d\u897f2023\u8edf\u8003\u6578\u64da\u5eab\u8a66\u984c\u4e00\u89bd<\/h1>\n<p>\u57282023\u5e74\uff0c\u965d\u897f\u7701\u7684\u8edf\u8003\uff08\u8edf\u4ef6\u8003\u8a66\uff09\u4e2d\uff0c\u6578\u64da\u5eab\u76f8\u95dc\u7684\u8a66\u984c\u6210\u70ba\u4e86\u8003\u751f\u5011\u95dc\u6ce8\u7684\u7126\u9ede\u3002\u96a8\u8457\u4fe1\u606f\u6280\u8853\u7684\u8fc5\u901f\u767c\u5c55\uff0c\u6578\u64da\u5eab\u6280\u8853\u7684\u61c9\u7528\u8d8a\u4f86\u8d8a\u5ee3\u6cdb\uff0c\u638c\u63e1\u6578\u64da\u5eab\u7684\u57fa\u672c\u77e5\u8b58\u548c\u6280\u80fd\u5c0d\u65bc\u8edf\u4ef6\u958b\u767c\u4eba\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u5c0d2023\u5e74\u965d\u897f\u8edf\u8003\u4e2d\u7684\u6578\u64da\u5eab\u8a66\u984c\u9032\u884c\u4e00\u89bd\uff0c\u5e6b\u52a9\u8003\u751f\u66f4\u597d\u5730\u6e96\u5099\u8003\u8a66\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98-MfTLlcehiH\">\u6578\u64da\u5eab\u57fa\u790e\u77e5\u8b58<\/h2>\n<p>\u5728\u8edf\u8003\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u57fa\u790e\u77e5\u8b58\u662f\u8003\u8a66\u7684\u91cd\u9ede\u4e4b\u4e00\u3002\u8003\u751f\u9700\u8981\u4e86\u89e3\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u7684\u5b9a\u7fa9\uff1a<\/strong>\u6578\u64da\u5eab\u662f\u6309\u7167\u4e00\u5b9a\u7684\u6578\u64da\u6a21\u578b\u7d44\u7e54\u3001\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u96c6\u5408\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\uff1a<\/strong>DBMS\u662f\u7528\u65bc\u5275\u5efa\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u8edf\u4ef6\u7cfb\u7d71\uff0c\u5e38\u898b\u7684\u6709MySQL\u3001Oracle\u3001SQL Server\u7b49\u3002<\/li>\n<li><strong>\u6578\u64da\u6a21\u578b\uff1a<\/strong>\u6578\u64da\u6a21\u578b\u662f\u63cf\u8ff0\u6578\u64da\u7d50\u69cb\u548c\u6578\u64da\u4e4b\u9593\u95dc\u4fc2\u7684\u62bd\u8c61\u6a21\u578b\uff0c\u4e3b\u8981\u5305\u62ec\u95dc\u4fc2\u6a21\u578b\u3001\u5c64\u6b21\u6a21\u578b\u548c\u7db2\u7d61\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"2023%e5%b9%b4%e9%99%9d%e8%a5%bf%e8%bb%9f%e8%80%83%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a9%a6%e9%a1%8c%e5%88%86%e6%9e%90-MfTLlcehiH\">2023\u5e74\u965d\u897f\u8edf\u8003\u6578\u64da\u5eab\u8a66\u984c\u5206\u6790<\/h2>\n<p>\u6839\u64da2023\u5e74\u965d\u897f\u8edf\u8003\u7684\u8a66\u984c\u5206\u6790\uff0c\u6578\u64da\u5eab\u90e8\u5206\u7684\u8003\u984c\u4e3b\u8981\u96c6\u4e2d\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<h3 id=\"1-sql%e8%aa%9e%e8%a8%80-MfTLlcehiH\">1. SQL\u8a9e\u8a00<\/h3>\n<p>SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6838\u5fc3\u8a9e\u8a00\u3002\u8003\u751f\u9700\u8981\u719f\u6089SQL\u7684\u57fa\u672c\u8a9e\u6cd5\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u67e5\u8a62\u8a9e\u53e5\uff1a<\/strong>\u5982SELECT\u3001FROM\u3001WHERE\u7b49\u3002<\/li>\n<li><strong>\u6578\u64da\u64cd\u4f5c\u8a9e\u53e5\uff1a<\/strong>\u5982INSERT\u3001UPDATE\u3001DELETE\u7b49\u3002<\/li>\n<li><strong>\u6578\u64da\u5b9a\u7fa9\u8a9e\u53e5\uff1a<\/strong>\u5982CREATE\u3001ALTER\u3001DROP\u7b49\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM students WHERE age &gt; 18;<\/code><\/pre>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a8%ad%e8%a8%88-MfTLlcehiH\">2. 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