{"id":78980,"date":"2024-10-16T12:32:22","date_gmt":"2024-10-16T04:32:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/78980\/"},"modified":"2024-10-16T12:32:22","modified_gmt":"2024-10-16T04:32:22","slug":"mysql%e6%8c%87%e4%bb%a4-limit%ef%bc%88%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e8%a1%8c%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/78980\/","title":{"rendered":"MySQL\u6307\u4ee4: LIMIT\uff08\u9650\u5236\u8fd4\u56de\u884c\u6578\uff09"},"content":{"rendered":"<h1 id=\"mysql%e6%8c%87%e4%bb%a4-limit%ef%bc%88%e9%99%90%e5%88%b6%e8%bf%94%e5%9b%9e%e8%a1%8c%e6%95%b8%ef%bc%89-UtSulGOoLb\">MySQL\u6307\u4ee4: LIMIT\uff08\u9650\u5236\u8fd4\u56de\u884c\u6578\uff09<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u9032\u884c\u6578\u64da\u67e5\u8a62\u6642\uff0c\u7d93\u5e38\u9700\u8981\u63a7\u5236\u8fd4\u56de\u7684\u6578\u64da\u884c\u6578\u3002\u9019\u6642\uff0c<code>LIMIT<\/code>\u6307\u4ee4\u4fbf\u6210\u70ba\u4e86\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e<code>LIMIT<\/code>\u7684\u7528\u6cd5\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aflimit%e6%8c%87%e4%bb%a4%ef%bc%9f-UtSulGOoLb\">\u4ec0\u9ebc\u662fLIMIT\u6307\u4ee4\uff1f<\/h2>\n<p><code>LIMIT<\/code>\u6307\u4ee4\u7528\u65bc\u9650\u5236\u67e5\u8a62\u7d50\u679c\u4e2d\u8fd4\u56de\u7684\u884c\u6578\u3002\u9019\u5728\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u6642\u7279\u5225\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\uff0c\u4e26\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"limit%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-UtSulGOoLb\">LIMIT\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c<code>LIMIT<\/code>\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition\nLIMIT number_of_rows;<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>number_of_rows<\/code>\u662f\u60a8\u5e0c\u671b\u8fd4\u56de\u7684\u884c\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u53ea\u60f3\u7372\u53d6\u524d10\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nLIMIT 10;<\/code><\/pre>\n<h2 id=\"limit%e7%9a%84%e9%80%b2%e9%9a%8e%e7%94%a8%e6%b3%95-UtSulGOoLb\">LIMIT\u7684\u9032\u968e\u7528\u6cd5<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u884c\u6578\u9650\u5236\uff0c<code>LIMIT<\/code>\u9084\u53ef\u4ee5\u8207\u504f\u79fb\u91cf\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5f9e\u7279\u5b9a\u4f4d\u7f6e\u958b\u59cb\u8fd4\u56de\u6578\u64da\u3002\u9019\u5728\u5be6\u73fe\u5206\u9801\u529f\u80fd\u6642\u7279\u5225\u6709\u7528\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition\nLIMIT offset, number_of_rows;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>offset<\/code>\u8868\u793a\u5f9e\u54ea\u4e00\u884c\u958b\u59cb\u8fd4\u56de\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5e0c\u671b\u5f9e\u7b2c11\u689d\u8a18\u9304\u958b\u59cb\u8fd4\u56de10\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nLIMIT 10, 10;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7b2c11\u5230\u7b2c20\u689d\u8a18\u9304\u3002<\/p>\n<h2 id=\"limit%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-UtSulGOoLb\">LIMIT\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c<code>LIMIT<\/code>\u6307\u4ee4\u5e38\u7528\u65bc\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u9801\u67e5\u8a62\uff1a<\/strong>\u5728\u986f\u793a\u5927\u91cf\u6578\u64da\u6642\uff0c\u901a\u5e38\u6703\u5c07\u6578\u64da\u5206\u70ba\u591a\u9801\u986f\u793a\u3002\u4f7f\u7528<code>LIMIT<\/code>\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u9650\u5236\u8fd4\u56de\u7684\u884c\u6578\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u548c\u8abf\u8a66\uff1a<\/strong>\u5728\u958b\u767c\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u53ea\u9700\u8981\u67e5\u770b\u90e8\u5206\u6578\u64da\uff0c\u4f7f\u7528<code>LIMIT<\/code>\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-UtSulGOoLb\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528<code>LIMIT<\/code>\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u4e0d\u6307\u5b9a<code>ORDER BY<\/code>\u5b50\u53e5\uff0c\u8fd4\u56de\u7684\u884c\u6578\u53ef\u80fd\u662f\u96a8\u6a5f\u7684\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u4e00\u81f4\u7684\u7d50\u679c\u3002<\/li>\n<li>\u5728\u4f7f\u7528\u504f\u79fb\u91cf\u6642\uff0c\u78ba\u4fdd\u504f\u79fb\u91cf\u4e0d\u8d85\u904e\u7e3d\u884c\u6578\uff0c\u5426\u5247\u5c07\u4e0d\u6703\u8fd4\u56de\u4efb\u4f55\u7d50\u679c\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528<code>LIMIT<\/code>\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u9032\u884c\u6392\u5e8f\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UtSulGOoLb\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c<code>LIMIT<\/code>\u6307\u4ee4\u5728MySQL\u4e2d\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\uff0c\u80fd\u5920\u6709\u6548\u5730\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u7684\u884c\u6578\uff0c\u63d0\u5347\u6027\u80fd\u4e26\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002\u7121\u8ad6\u662f\u5728\u5206\u9801\u67e5\u8a62\u9084\u662f\u6578\u64da\u6e2c\u8a66\u4e2d\uff0c<code>LIMIT<\/code>\u90fd\u80fd\u767c\u63ee\u5176\u91cd\u8981\u4f5c\u7528\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code>VPS<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u5982<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6307\u4ee4LIMIT\uff0c\u5b78\u7fd2\u5982\u4f55\u9650\u5236\u67e5\u8a62\u7d50\u679c\u7684\u8fd4\u56de\u884c\u6578\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u8207\u6027\u80fd\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-78980","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78980","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=78980"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78980\/revisions"}],"predecessor-version":[{"id":78981,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/78980\/revisions\/78981"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=78980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=78980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=78980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}