{"id":79256,"date":"2024-10-16T12:50:16","date_gmt":"2024-10-16T04:50:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/79256\/"},"modified":"2024-10-16T12:50:16","modified_gmt":"2024-10-16T04:50:16","slug":"mysql%e6%8c%87%e4%bb%a4-mod%ef%bc%88%e5%8f%96%e4%bd%99%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/79256\/","title":{"rendered":"MySQL\u6307\u4ee4: MOD\uff08\u53d6\u4f59\u6578\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-mod%ef%bc%88%e5%8f%96%e4%bd%99%e6%95%b8%ef%bc%89-kbIYVSUajW\">MySQL\u6307\u4ee4: MOD\uff08\u53d6\u4f59\u6578\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\u5b83\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u8655\u7406\u548c\u7ba1\u7406\u6578\u64da\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u53d6\u9918\u6578\u7684\u529f\u80fd\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684MOD\u6307\u4ee4\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmod%e6%8c%87%e4%bb%a4%ef%bc%9f-kbIYVSUajW\">\u4ec0\u9ebc\u662fMOD\u6307\u4ee4\uff1f<\/h2>\n<p>MOD\u6307\u4ee4\u662fMySQL\u4e2d\u7528\u4f86\u8a08\u7b97\u5169\u500b\u6578\u5b57\u76f8\u9664\u5f8c\u7684\u9918\u6578\u7684\u51fd\u6578\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>MOD(N, M)<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0cN\u662f\u88ab\u9664\u6578\uff0cM\u662f\u9664\u6578\u3002MOD\u51fd\u6578\u5c07\u8fd4\u56deN\u9664\u4ee5M\u7684\u9918\u6578\u3002<\/p>\n<h2 id=\"mod%e6%8c%87%e4%bb%a4%e7%9a%84%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-kbIYVSUajW\">MOD\u6307\u4ee4\u7684\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528MOD\u6307\u4ee4\u7684\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7406\u89e3\u5176\u7528\u6cd5\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b1-%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-kbIYVSUajW\">\u7bc4\u4f8b1: \u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u6578\u5b57\uff0c10\u548c3\uff0c\u6211\u5011\u60f3\u8981\u8a08\u7b9710\u9664\u4ee53\u7684\u9918\u6578\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT MOD(10, 3) AS Remainder;<\/code><\/pre>\n<p>\u57f7\u884c\u9019\u500b\u67e5\u8a62\u5f8c\uff0c\u7d50\u679c\u5c07\u986f\u793a\uff1a<\/p>\n<pre><code>Remainder\n----------\n1<\/code><\/pre>\n<p>\u9019\u8868\u793a10\u9664\u4ee53\u7684\u9918\u6578\u662f1\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b2-%e5%9c%a8%e8%b3%87%e6%96%99%e8%a1%a8%e4%b8%ad%e4%bd%bf%e7%94%a8mod-kbIYVSUajW\">\u7bc4\u4f8b2: \u5728\u8cc7\u6599\u8868\u4e2d\u4f7f\u7528MOD<\/h3>\n<p>MOD\u6307\u4ee4\u4e5f\u53ef\u4ee5\u5728\u8cc7\u6599\u8868\u4e2d\u4f7f\u7528\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201corders\u201d\u7684\u8cc7\u6599\u8868\uff0c\u5176\u4e2d\u5305\u542b\u4e00\u500b\u201corder_id\u201d\u6b04\u4f4d\u3002\u6211\u5011\u60f3\u8981\u627e\u51fa\u6240\u6709\u5076\u6578\u7684\u8a02\u55aeID\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT order_id\nFROM orders\nWHERE MOD(order_id, 2) = 0;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5076\u6578\u7684\u8a02\u55aeID\uff0c\u56e0\u70ba\u53ea\u6709\u7576order_id\u9664\u4ee52\u7684\u9918\u6578\u70ba0\u6642\uff0c\u8a72ID\u624d\u662f\u5076\u6578\u3002<\/p>\n<h2 id=\"mod%e6%8c%87%e4%bb%a4%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-kbIYVSUajW\">MOD\u6307\u4ee4\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>MOD\u6307\u4ee4\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5206\u7d44\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528MOD\u4f86\u5c07\u6578\u64da\u5206\u7d44\uff0c\u4f8b\u5982\u5c07\u6578\u64da\u5206\u70ba\u5947\u6578\u548c\u5076\u6578\u3002<\/li>\n<li><strong>\u5faa\u74b0\u8a08\u7b97\uff1a<\/strong>\u5728\u9700\u8981\u5faa\u74b0\u8a08\u7b97\u7684\u60c5\u6cc1\u4e0b\uff0cMOD\u53ef\u4ee5\u5e6b\u52a9\u78ba\u5b9a\u7576\u524d\u7684\u5faa\u74b0\u4f4d\u7f6e\u3002<\/li>\n<li><strong>\u689d\u4ef6\u7be9\u9078\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u9918\u6578\u4f86\u7be9\u9078\u6578\u64da\uff0c\u4f8b\u5982\u627e\u51fa\u7279\u5b9a\u689d\u4ef6\u4e0b\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-kbIYVSUajW\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528MOD\u6307\u4ee4\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u9664\u6578M\u70ba0\uff0c\u5247\u6703\u7522\u751f\u932f\u8aa4\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528MOD\u4e4b\u524d\uff0c\u61c9\u78ba\u4fdd\u9664\u6578\u4e0d\u70ba0\u3002<\/li>\n<li>MOD\u51fd\u6578\u7684\u8fd4\u56de\u503c\u985e\u578b\u70ba\u6574\u6578\uff0c\u9019\u610f\u5473\u8457\u5b83\u53ea\u9069\u7528\u65bc\u6574\u6578\u904b\u7b97\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kbIYVSUajW\">\u7e3d\u7d50<\/h2>\n<p>MOD\u6307\u4ee4\u5728MySQL\u4e2d\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u51fd\u6578\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u8a08\u7b97\u9918\u6578\u4e26\u9032\u884c\u6578\u64da\u7be9\u9078\u548c\u5206\u7d44\u3002\u7121\u8ad6\u662f\u5728\u7c21\u55ae\u7684\u6578\u5b78\u8a08\u7b97\u9084\u662f\u8907\u96dc\u7684\u6578\u64da\u67e5\u8a62\u4e2d\uff0cMOD\u90fd\u80fd\u767c\u63ee\u5176\u91cd\u8981\u4f5c\u7528\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u63d0\u5347\u60a8\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u4e2d\u7684MOD\u6307\u4ee4\uff0c\u8f15\u9b06\u8a08\u7b97\u53d6\u4f59\u6578\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u9069\u7528\u65bc\u5404\u7a2e\u6578\u64da\u5eab\u61c9\u7528\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-79256","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79256","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=79256"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79256\/revisions"}],"predecessor-version":[{"id":79257,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/79256\/revisions\/79257"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=79256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=79256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=79256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}