{"id":142015,"date":"2024-10-31T22:18:23","date_gmt":"2024-10-31T14:18:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/142015\/"},"modified":"2024-10-31T22:18:24","modified_gmt":"2024-10-31T14:18:24","slug":"sql-%e8%aa%9e%e5%8f%a5%e4%b8%ad%e5%96%ae%e5%bc%95%e8%99%9f%e3%80%81%e9%9b%99%e5%bc%95%e8%99%9f%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/142015\/","title":{"rendered":"SQL \u8a9e\u53e5\u4e2d\u55ae\u5f15\u865f\u3001\u96d9\u5f15\u865f\u7684\u7528\u6cd5"},"content":{"rendered":"<h1 id=\"sql-%e8%aa%9e%e5%8f%a5%e4%b8%ad%e5%96%ae%e5%bc%95%e8%99%9f%e3%80%81%e9%9b%99%e5%bc%95%e8%99%9f%e7%9a%84%e7%94%a8%e6%b3%95-EZRxNGvCxA\">SQL \u8a9e\u53e5\u4e2d\u55ae\u5f15\u865f\u3001\u96d9\u5f15\u865f\u7684\u7528\u6cd5<\/h1>\n<p>\u5728 SQL \u8a9e\u53e5\u4e2d\uff0c\u55ae\u5f15\u865f\uff08&#8217;\uff09\u548c\u96d9\u5f15\u865f\uff08&#8221;\uff09\u7684\u4f7f\u7528\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u56e0\u70ba\u5b83\u5011\u5728\u8a9e\u6cd5\u4e0a\u6709\u8457\u4e0d\u540c\u7684\u610f\u7fa9\u548c\u7528\u9014\u3002\u4e86\u89e3\u9019\u4e9b\u5dee\u7570\u5c0d\u65bc\u7de8\u5beb\u6b63\u78ba\u7684 SQL \u67e5\u8a62\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5b57\u7b26\u4e32\u548c\u8b58\u5225\u7b26\u6642\u3002<\/p>\n<h2 id=\"%e5%96%ae%e5%bc%95%e8%99%9f%e7%9a%84%e7%94%a8%e6%b3%95-EZRxNGvCxA\">\u55ae\u5f15\u865f\u7684\u7528\u6cd5<\/h2>\n<p>\u55ae\u5f15\u865f\u4e3b\u8981\u7528\u65bc\u5305\u88f9\u5b57\u7b26\u4e32\u6587\u5b57\u3002\u5728 SQL \u4e2d\uff0c\u4efb\u4f55\u9700\u8981\u88ab\u8996\u70ba\u5b57\u7b26\u4e32\u7684\u5167\u5bb9\u90fd\u61c9\u8a72\u7528\u55ae\u5f15\u865f\u62ec\u8d77\u4f86\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM users WHERE username = 'john_doe';<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c&#8217;john_doe&#8217; 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