{"id":79402,"date":"2024-10-16T13:01:26","date_gmt":"2024-10-16T05:01:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79402\/"},"modified":"2024-10-16T13:01:26","modified_gmt":"2024-10-16T05:01:26","slug":"mysql%e6%8c%87%e4%bb%a4-order-by%ef%bc%88%e6%8e%92%e5%ba%8f%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79402\/","title":{"rendered":"MySQL\u6307\u4ee4: ORDER BY\uff08\u6392\u5e8f\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-order-by%ef%bc%88%e6%8e%92%e5%ba%8f%ef%bc%89-ALswEbcKdB\">MySQL\u6307\u4ee4: ORDER BY\uff08\u6392\u5e8f\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u7576\u6211\u5011\u9700\u8981\u5f9e\u8cc7\u6599\u8868\u4e2d\u6aa2\u7d22\u8cc7\u6599\u6642\uff0c\u7d93\u5e38\u9700\u8981\u5c0d\u7d50\u679c\u9032\u884c\u6392\u5e8f\uff0c\u4ee5\u4fbf\u66f4\u5bb9\u6613\u5730\u5206\u6790\u548c\u7406\u89e3\u6578\u64da\u3002MySQL\u63d0\u4f9b\u4e86<strong>ORDER BY<\/strong>\u6307\u4ee4\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<h2 id=\"order-by%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-ALswEbcKdB\">ORDER BY\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>ORDER BY\u6307\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nORDER BY column1 [ASC|DESC], column2 [ASC|DESC], ...;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>column1, column2, &#8230;<\/strong>\u662f\u4f60\u5e0c\u671b\u6aa2\u7d22\u7684\u6b04\u4f4d\uff0c<strong>table_name<\/strong>\u662f\u8cc7\u6599\u8868\u7684\u540d\u7a31\u3002\u4f60\u53ef\u4ee5\u9078\u64c7\u6309\u5347\u5e8f\uff08<strong>ASC<\/strong>\uff09\u6216\u964d\u5e8f\uff08<strong>DESC<\/strong>\uff09\u9032\u884c\u6392\u5e8f\u3002\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0c\u6392\u5e8f\u662f\u5347\u5e8f\u7684\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8order-by%e7%9a%84%e7%af%84%e4%be%8b-ALswEbcKdB\">\u4f7f\u7528ORDER BY\u7684\u7bc4\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba<strong>employees<\/strong>\u7684\u8cc7\u6599\u8868\uff0c\u5305\u542b\u4ee5\u4e0b\u6b04\u4f4d\uff1a<\/p>\n<ul>\n<li>id<\/li>\n<li>name<\/li>\n<li>salary<\/li>\n<li>hire_date<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u6309\u85aa\u6c34\u5f9e\u9ad8\u5230\u4f4e\u7684\u9806\u5e8f\u6aa2\u7d22\u6240\u6709\u54e1\u5de5\u7684\u8cc7\u6599\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nORDER BY salary DESC;<\/code><\/pre>\n<p>\u9019\u6a23\u6703\u8fd4\u56de\u6240\u6709\u54e1\u5de5\u7684\u8cc7\u6599\uff0c\u4e26\u6839\u64da\u85aa\u6c34\u9032\u884c\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e5%a4%9a%e6%ac%84%e4%bd%8d%e6%8e%92%e5%ba%8f-ALswEbcKdB\">\u591a\u6b04\u4f4d\u6392\u5e8f<\/h2>\n<p>ORDER BY\u6307\u4ee4\u4e5f\u652f\u6301\u591a\u6b04\u4f4d\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671b\u9996\u5148\u6309\u5165\u8077\u65e5\u671f\u5347\u5e8f\u6392\u5e8f\uff0c\u7136\u5f8c\u6309\u85aa\u6c34\u964d\u5e8f\u6392\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nORDER BY hire_date ASC, salary DESC;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u6703\u9996\u5148\u6839\u64da\u5165\u8077\u65e5\u671f\u6392\u5e8f\uff0c\u5c0d\u65bc\u5165\u8077\u65e5\u671f\u76f8\u540c\u7684\u54e1\u5de5\uff0c\u5247\u6839\u64da\u85aa\u6c34\u9032\u884c\u964d\u5e8f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ALswEbcKdB\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528ORDER BY\u6307\u4ee4\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u6392\u5e8f\u7684\u6b04\u4f4d\u5fc5\u9808\u662f\u67e5\u8a62\u4e2d\u9078\u64c7\u7684\u6b04\u4f4d\u4e4b\u4e00\u3002<\/li>\n<li>\u5982\u679c\u6392\u5e8f\u7684\u6b04\u4f4d\u5305\u542bNULL\u503c\uff0cNULL\u503c\u6703\u88ab\u6392\u5728\u6700\u524d\u9762\uff08\u5347\u5e8f\uff09\u6216\u6700\u5f8c\u9762\uff08\u964d\u5e8f\uff09\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u6392\u5e8f\u65b9\u5f0f\u3002<\/li>\n<li>ORDER BY\u6307\u4ee4\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u8cc7\u6599\u8868\u4e2d\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u8cc7\u6599\u5eab\u6642\u61c9\u8003\u616e\u7d22\u5f15\u7684\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ALswEbcKdB\">\u7d50\u8ad6<\/h2>\n<p>ORDER BY\u6307\u4ee4\u662fMySQL\u4e2d\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u4ee5\u6709\u5e8f\u7684\u65b9\u5f0f\u6aa2\u7d22\u8cc7\u6599\u3002\u7121\u8ad6\u662f\u55ae\u4e00\u6b04\u4f4d\u9084\u662f\u591a\u6b04\u4f4d\u6392\u5e8f\uff0c\u6b63\u78ba\u4f7f\u7528ORDER BY\u90fd\u80fd\u63d0\u9ad8\u6578\u64da\u5206\u6790\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\uff0c\u5408\u7406\u7684\u6392\u5e8f\u7b56\u7565\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3MySQL\u53ca\u5176\u5728\u5404\u7a2e\u74b0\u5883\u4e2d\u7684\u61c9\u7528\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u8cc7\u6599\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684ORDER BY\u6307\u4ee4\uff0c\u8f7b\u677e\u5bf9\u67e5\u8be2\u7ed3\u679c\u8fdb\u884c\u6392\u5e8f\uff0c\u63d0\u5347\u6570\u636e\u7ba1\u7406\u6548\u7387\uff0c\u4f18\u5316\u6570\u636e\u5e93\u64cd\u4f5c\u4f53\u9a8c\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-79402","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79402","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=79402"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79402\/revisions"}],"predecessor-version":[{"id":79403,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79402\/revisions\/79403"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}