{"id":157460,"date":"2024-11-02T23:16:21","date_gmt":"2024-11-02T15:16:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157460\/"},"modified":"2024-11-02T23:16:22","modified_gmt":"2024-11-02T15:16:22","slug":"%e9%ab%98%e7%b4%9a%e7%af%a9%e9%81%b8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81%ef%bc%88%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157460\/","title":{"rendered":"\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\uff1a\u591a\u500b\u689d\u4ef6\u8f15\u9b06\u641e\u5b9a\uff01\uff08\u591a\u500b\u689d\u4ef6\u600e\u9ebc\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e9%ab%98%e7%b4%9a%e7%af%a9%e9%81%b8%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9a%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81-RuQZdbCUeS\">\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\uff1a\u591a\u500b\u689d\u4ef6\u8f15\u9b06\u641e\u5b9a\uff01<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u67e5\u8a62\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u9700\u8981\u5f9e\u5927\u91cf\u6578\u64da\u4e2d\u63d0\u53d6\u7279\u5b9a\u4fe1\u606f\u6642\uff0c\u9ad8\u7d1a\u7be9\u9078\u529f\u80fd\u986f\u5f97\u5c24\u70ba\u95dc\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528\u591a\u500b\u689d\u4ef6\u4f86\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%ab%98%e7%b4%9a%e7%af%a9%e9%81%b8%ef%bc%9f-RuQZdbCUeS\">\u4ec0\u9ebc\u662f\u9ad8\u7d1a\u7be9\u9078\uff1f<\/h2>\n<p>\u9ad8\u7d1a\u7be9\u9078\u662f\u4e00\u7a2e\u6578\u64da\u67e5\u8a62\u6280\u8853\uff0c\u5141\u8a31\u7528\u6236\u6839\u64da\u591a\u500b\u689d\u4ef6\u4f86\u904e\u6ffe\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u7cbe\u78ba\u5ea6\uff0c\u9084\u80fd\u5920\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002\u9ad8\u7d1a\u7be9\u9078\u901a\u5e38\u7528\u65bc\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u5982 MySQL\u3001PostgreSQL \u548c Oracle \u7b49\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6%e7%af%a9%e9%81%b8%ef%bc%9f-RuQZdbCUeS\">\u70ba\u4ec0\u9ebc\u9700\u8981\u591a\u500b\u689d\u4ef6\u7be9\u9078\uff1f<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u55ae\u4e00\u689d\u4ef6\u7684\u7be9\u9078\u7121\u6cd5\u6eff\u8db3\u7528\u6236\u7684\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u5e0c\u671b\u67e5\u627e\u6240\u6709\u50f9\u683c\u5728100\u5230500\u4e4b\u9593\u4e14\u5eab\u5b58\u5927\u65bc10\u7684\u7522\u54c1\u3002\u9019\u6642\uff0c\u55ae\u4e00\u689d\u4ef6\u7684\u67e5\u8a62\u5c07\u7121\u6cd5\u63d0\u4f9b\u6240\u9700\u7684\u7d50\u679c\u3002\u56e0\u6b64\uff0c\u4f7f\u7528\u591a\u500b\u689d\u4ef6\u9032\u884c\u7be9\u9078\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6%e7%af%a9%e9%81%b8%ef%bc%9f-RuQZdbCUeS\">\u5982\u4f55\u5be6\u73fe\u591a\u500b\u689d\u4ef6\u7be9\u9078\uff1f<\/h2>\n<p>\u5728 SQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>WHERE<\/code> \u5b50\u53e5\u4f86\u5be6\u73fe\u591a\u500b\u689d\u4ef6\u7684\u7be9\u9078\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7be9\u9078\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-and-%e5%92%8c-or-RuQZdbCUeS\">1. \u4f7f\u7528 AND \u548c OR<\/h3>\n<p>\u5728 SQL \u67e5\u8a62\u4e2d\uff0c<code>AND<\/code> \u548c <code>OR<\/code> \u662f\u7528\u4f86\u7d44\u5408\u591a\u500b\u689d\u4ef6\u7684\u95dc\u9375\u5b57\u3002<code>AND<\/code> \u7528\u65bc\u8981\u6c42\u6240\u6709\u689d\u4ef6\u90fd\u5fc5\u9808\u6eff\u8db3\uff0c\u800c <code>OR<\/code> \u5247\u7528\u65bc\u8981\u6c42\u81f3\u5c11\u4e00\u500b\u689d\u4ef6\u6eff\u8db3\u3002<\/p>\n<pre><code>SELECT * FROM products \nWHERE price BETWEEN 100 AND 500 \nAND stock &gt; 10;<\/code><\/pre>\n<pre><code>SELECT * FROM products \nWHERE category = 'electronics' \nOR category = 'furniture';<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-in-%e5%92%8c-like-RuQZdbCUeS\">2. \u4f7f\u7528 IN \u548c LIKE<\/h3>\n<p>\u7576\u9700\u8981\u7be9\u9078\u7279\u5b9a\u503c\u6216\u6a21\u5f0f\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>IN<\/code> \u548c <code>LIKE<\/code>\u3002<code>IN<\/code> \u7528\u65bc\u5339\u914d\u591a\u500b\u503c\uff0c\u800c <code>LIKE<\/code> \u7528\u65bc\u6a21\u7cca\u67e5\u8a62\u3002<\/p>\n<pre><code>SELECT * FROM products \nWHERE category IN ('electronics', 'furniture') \nAND name LIKE '%phone%';<\/code><\/pre>\n<h3 id=\"3-%e7%b5%84%e5%90%88%e5%a4%9a%e5%80%8b%e6%a2%9d%e4%bb%b6-RuQZdbCUeS\">3. \u7d44\u5408\u591a\u500b\u689d\u4ef6<\/h3>\n<p>\u53ef\u4ee5\u5c07\u591a\u500b\u689d\u4ef6\u7d44\u5408\u5728\u4e00\u8d77\uff0c\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT * FROM products \nWHERE (price BETWEEN 100 AND 500 AND stock &gt; 10) \nOR (category = 'electronics' AND stock &gt; 5);<\/code><\/pre>\n<h2 id=\"%e7%af%a9%e9%81%b8%e6%95%b8%e6%93%9a%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-RuQZdbCUeS\">\u7be9\u9078\u6578\u64da\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u78ba\u4fdd\u67e5\u8a62\u7684\u6548\u7387\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5168\u8868\u6383\u63cf\u3002<\/li>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u5c0d\u7d93\u5e38\u67e5\u8a62\u7684\u5b57\u6bb5\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u67e5\u8a62\uff1a<\/strong>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\u524d\uff0c\u5148\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9a57\u8b49\u67e5\u8a62\u7684\u6b63\u78ba\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-RuQZdbCUeS\">\u7d50\u8ad6<\/h2>\n<p>\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\u662f\u4e00\u9805\u5f37\u5927\u7684\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u6839\u64da\u591a\u500b\u689d\u4ef6\u5feb\u901f\u627e\u5230\u6240\u9700\u7684\u4fe1\u606f\u3002\u901a\u904e\u4f7f\u7528 SQL \u4e2d\u7684 <code>AND<\/code>\u3001<code>OR<\/code>\u3001<code>IN<\/code> \u548c <code>LIKE<\/code> \u7b49\u95dc\u9375\u5b57\uff0c\u7528\u6236\u53ef\u4ee5\u9748\u6d3b\u5730\u7d44\u5408\u689d\u4ef6\uff0c\u5be6\u73fe\u7cbe\u78ba\u7684\u6578\u64da\u67e5\u8a62\u3002\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u5347\u696d\u52d9\u6c7a\u7b56\u7684\u8cea\u91cf\u3002<\/p>\n<p>\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> \u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u7d1a\u7be9\u9078\u9084\u662f\u5176\u4ed6\u6578\u64da\u8655\u7406\u9700\u6c42\uff0c<a href=\"https:\/\/server.hk\">Server.HK<\/a> \u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u548c\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9ad8\u7d1a\u7be9\u9078\u6578\u64da\u5eab\uff0c\u8f15\u9b06\u8a2d\u5b9a\u591a\u500b\u689d\u4ef6\uff0c\u5feb\u901f\u627e\u5230\u6240\u9700\u6578\u64da\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\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-157460","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157460","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=157460"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157460\/revisions"}],"predecessor-version":[{"id":157461,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157460\/revisions\/157461"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157460"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157460"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157460"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}