{"id":197700,"date":"2024-11-14T09:59:24","date_gmt":"2024-11-14T01:59:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197700\/"},"modified":"2024-11-14T09:59:25","modified_gmt":"2024-11-14T01:59:25","slug":"%e5%88%a9%e7%94%a8sql%e7%9a%84limit%e7%9a%84%e5%b1%ac%e6%80%a7%e5%b0%8dmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%a6%e4%b8%8d%e9%9b%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197700\/","title":{"rendered":"\u5229\u7528sql\u7684limit\u7684\u5c6c\u6027\u5c0dMySQL\u6578\u64da\u5eab\u4e26\u4e0d\u96e3"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8sql%e7%9a%84limit%e5%b1%ac%e6%80%a7%e5%b0%8dmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%a6%e4%b8%8d%e9%9b%a3-AAsPNYvdus\">\u5229\u7528SQL\u7684LIMIT\u5c6c\u6027\u5c0dMySQL\u6578\u64da\u5eab\u4e26\u4e0d\u96e3<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u7576\u6211\u5011\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u6aa2\u7d22\u5927\u91cf\u6578\u64da\u6642\uff0c\u5982\u4f55\u6709\u6548\u5730\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u7684\u6578\u91cf\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u9019\u6642\uff0cSQL\u7684LIMIT\u5c6c\u6027\u4fbf\u6d3e\u4e0a\u4e86\u7528\u5834\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eLIMIT\u7684\u4f7f\u7528\u65b9\u6cd5\u53ca\u5176\u5728MySQL\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%aflimit%e5%b1%ac%e6%80%a7%ef%bc%9f-AAsPNYvdus\">\u4ec0\u9ebc\u662fLIMIT\u5c6c\u6027\uff1f<\/h2>\n<p>LIMIT\u662f\u4e00\u500bSQL\u8a9e\u53e5\u7684\u5b50\u53e5\uff0c\u7528\u65bc\u9650\u5236\u67e5\u8a62\u7d50\u679c\u7684\u884c\u6578\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5f9e\u5927\u578b\u6578\u64da\u96c6\u4e2d\u63d0\u53d6\u7279\u5b9a\u6578\u91cf\u7684\u8a18\u9304\u6642\u975e\u5e38\u6709\u7528\u3002\u4f7f\u7528LIMIT\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u6578\u64da\u50b3\u8f38\u91cf\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<h2 id=\"limit%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-AAsPNYvdus\">LIMIT\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728MySQL\u4e2d\uff0cLIMIT\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\u8a18\u9304\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u53ea\u60f3\u6aa2\u7d22\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-AAsPNYvdus\">LIMIT\u7684\u9032\u968e\u7528\u6cd5<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u7528\u6cd5\uff0cLIMIT\u9084\u53ef\u4ee5\u8207OFFSET\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5f9e\u7279\u5b9a\u4f4d\u7f6e\u958b\u59cb\u6aa2\u7d22\u6578\u64da\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column1, column2, ...\nFROM table_name\nWHERE condition\nLIMIT number_of_rows OFFSET offset_value;<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>offset_value<\/code>\u8868\u793a\u8981\u8df3\u904e\u7684\u8a18\u9304\u6578\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5f9e\u7b2c11\u689d\u8a18\u9304\u958b\u59cb\u6aa2\u7d2210\u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM employees\nLIMIT 10 OFFSET 10;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u7b2c11\u5230\u7b2c20\u689d\u8a18\u9304\u3002<\/p>\n<h2 id=\"limit%e5%9c%a8%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e4%b8%ad%e7%9a%84%e4%be%8b%e5%ad%90-AAsPNYvdus\">LIMIT\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u4f8b\u5b50<\/h2>\n<p>\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u540d\u70ba<code>products<\/code>\u7684\u8868\uff0c\u4e26\u4e14\u60a8\u5e0c\u671b\u6aa2\u7d22\u50f9\u683c\u6700\u4f4e\u76845\u500b\u7522\u54c1\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT * FROM products\nORDER BY price ASC\nLIMIT 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BY\u5b50\u53e5\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u78ba\u4fdd\u8fd4\u56de\u7684\u6578\u64da\u662f\u6709\u5e8f\u7684\u3002<\/li>\n<li>\u5728\u4f7f\u7528LIMIT\u6642\uff0c\u8acb\u78ba\u4fdd\u60a8\u7684\u67e5\u8a62\u689d\u4ef6\u80fd\u5920\u6b63\u78ba\u5730\u7be9\u9078\u51fa\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-AAsPNYvdus\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528SQL\u7684LIMIT\u5c6c\u6027\u5c0dMySQL\u6578\u64da\u5eab\u9032\u884c\u67e5\u8a62\u4e26\u4e0d\u96e3\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528LIMIT\u548cOFFSET\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u9084\u662f\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u638c\u63e1LIMIT\u7684\u4f7f\u7528\u90fd\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\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\u6258\u7ba1\u60a8\u7684MySQL\u6578\u64da\u5eab\u3002\u900f\u904e\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u6027\u80fd\uff0c\u60a8\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\uff0c\u63d0\u5347\u696d\u52d9\u904b\u71df\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u4e2d\u4f7f\u7528SQL\u7684LIMIT\u5c6c\u6027\uff0c\u8f15\u9b06\u63a7\u5236\u67e5\u8a62\u7d50\u679c\u7684\u6578\u91cf\uff0c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u6548\u7387\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-197700","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197700","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=197700"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197700\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}