{"id":168531,"date":"2024-11-06T13:09:20","date_gmt":"2024-11-06T05:09:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168531\/"},"modified":"2024-11-06T13:09:21","modified_gmt":"2024-11-06T05:09:21","slug":"sql-%e4%b8%ad%e7%9a%84%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168531\/","title":{"rendered":"SQL \u4e2d\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u53e5\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"sql-%e4%b8%ad%e7%9a%84%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e4%bb%8b%e7%b4%b9-kevwAXSNLg\">SQL \u4e2d\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u53e5\u4ecb\u7d39<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u61c9\u7528\u4e2d\uff0c\u5206\u9801\u67e5\u8a62\u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u7684\u529f\u80fd\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u5206\u9801\u67e5\u8a62\u53ef\u4ee5\u6709\u6548\u5730\u63d0\u9ad8\u6578\u64da\u7684\u6aa2\u7d22\u6548\u7387\uff0c\u4e26\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u4ecb\u7d39 SQL \u4e2d\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u53e5\uff0c\u5305\u62ec\u5176\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u7528\u8a9e\u6cd5\u53ca\u5be6\u969b\u61c9\u7528\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%ef%bc%9f-kevwAXSNLg\">\u4ec0\u9ebc\u662f\u5206\u9801\u67e5\u8a62\uff1f<\/h2>\n<p>\u5206\u9801\u67e5\u8a62\u662f\u6307\u5c07\u67e5\u8a62\u7d50\u679c\u5206\u6210\u591a\u500b\u9801\u9762\uff0c\u6bcf\u6b21\u53ea\u986f\u793a\u4e00\u90e8\u5206\u6578\u64da\u3002\u9019\u6a23\u7684\u505a\u6cd5\u4e0d\u50c5\u53ef\u4ee5\u6e1b\u5c11\u4e00\u6b21\u6027\u52a0\u8f09\u5927\u91cf\u6578\u64da\u6240\u9700\u7684\u6642\u9593\uff0c\u9084\u80fd\u964d\u4f4e\u7cfb\u7d71\u8cc7\u6e90\u7684\u6d88\u8017\u3002\u5206\u9801\u67e5\u8a62\u901a\u5e38\u7528\u65bc\u986f\u793a\u5217\u8868\u3001\u641c\u7d22\u7d50\u679c\u6216\u4efb\u4f55\u9700\u8981\u986f\u793a\u5927\u91cf\u6578\u64da\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-kevwAXSNLg\">\u5206\u9801\u67e5\u8a62\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728 SQL \u4e2d\uff0c\u5206\u9801\u67e5\u8a62\u7684\u5be6\u73fe\u65b9\u5f0f\u6703\u6839\u64da\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u800c\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u6578\u64da\u5eab\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u6cd5\uff1a<\/p>\n<h3 id=\"1-mysql-kevwAXSNLg\">1. MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT \u548c OFFSET \u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\u3002\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d LIMIT \u6bcf\u9801\u986f\u793a\u6578\u91cf OFFSET \u8d77\u59cb\u4f4d\u7f6e;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u8a62\u7b2c 2 \u9801\u7684\u6578\u64da\uff0c\u6bcf\u9801\u986f\u793a 10 \u689d\u8a18\u9304\uff0c\u53ef\u4ee5\u9019\u6a23\u5beb\uff1a<\/p>\n<pre><code>SELECT * FROM users LIMIT 10 OFFSET 10;<\/code><\/pre>\n<h3 id=\"2-sql-server-kevwAXSNLg\">2. SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 OFFSET \u548c FETCH NEXT \u4f86\u5be6\u73fe\u5206\u9801\u67e5\u8a62\u3002\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d ORDER BY \u5217\u540d OFFSET \u8d77\u59cb\u4f4d\u7f6e ROWS FETCH NEXT \u6bcf\u9801\u986f\u793a\u6578\u91cf ROWS ONLY;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u8a62\u7b2c 2 \u9801\u7684\u6578\u64da\uff0c\u6bcf\u9801\u986f\u793a 10 \u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>SELECT * FROM users ORDER BY id OFFSET 10 ROWS FETCH NEXT 10 ROWS ONLY;<\/code><\/pre>\n<h3 id=\"3-postgresql-kevwAXSNLg\">3. PostgreSQL<\/h3>\n<p>PostgreSQL \u7684\u5206\u9801\u67e5\u8a62\u8a9e\u6cd5\u8207 MySQL \u985e\u4f3c\uff0c\u540c\u6a23\u4f7f\u7528 LIMIT \u548c OFFSET\uff1a<\/p>\n<pre><code>SELECT * FROM \u8868\u540d LIMIT \u6bcf\u9801\u986f\u793a\u6578\u91cf OFFSET \u8d77\u59cb\u4f4d\u7f6e;<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u8a62\u7b2c 2 \u9801\u7684\u6578\u64da\uff0c\u6bcf\u9801\u986f\u793a 10 \u689d\u8a18\u9304\uff1a<\/p>\n<pre><code>SELECT * FROM users LIMIT 10 OFFSET 10;<\/code><\/pre>\n<h2 id=\"%e5%88%86%e9%a0%81%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-kevwAXSNLg\">\u5206\u9801\u67e5\u8a62\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u5206\u9801\u67e5\u8a62\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff1a<\/strong>\u7528\u6236\u5728\u700f\u89bd\u5546\u54c1\u6642\uff0c\u901a\u5e38\u6703\u770b\u5230\u5206\u9801\u7684\u5546\u54c1\u5217\u8868\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f09\u904e\u591a\u5546\u54c1\uff0c\u5f71\u97ff\u52a0\u8f09\u901f\u5ea6\u3002<\/li>\n<li><strong>\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\uff1a<\/strong>\u7528\u6236\u7684\u52d5\u614b\u6d88\u606f\u6216\u5e16\u5b50\u901a\u5e38\u6703\u5206\u9801\u986f\u793a\uff0c\u4ee5\u4fbf\u7528\u6236\u80fd\u5920\u8f15\u9b06\u700f\u89bd\u3002<\/li>\n<li><strong>\u6578\u64da\u5831\u544a\uff1a<\/strong>\u5728\u751f\u6210\u5831\u544a\u6642\uff0c\u5206\u9801\u67e5\u8a62\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u5206\u6790\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-kevwAXSNLg\">\u7d50\u8ad6<\/h2>\n<p>\u5206\u9801\u67e5\u8a62\u662f SQL \u4e2d\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u548c\u986f\u793a\u5927\u91cf\u6578\u64da\u3002\u901a\u904e\u4f7f\u7528\u4e0d\u540c\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9748\u6d3b\u5730\u5be6\u73fe\u6578\u64da\u7684\u5206\u9801\u986f\u793a\u3002\u7121\u8ad6\u662f\u5728\u96fb\u5b50\u5546\u52d9\u3001\u793e\u4ea4\u5a92\u9ad4\u9084\u662f\u6578\u64da\u5831\u544a\u4e2d\uff0c\u5206\u9801\u67e5\u8a62\u90fd\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\uff0c\u8b93\u6578\u64da\u7684\u5448\u73fe\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u5206\u9801\u67e5\u8a62\u6709\u9032\u4e00\u6b65\u7684\u9700\u6c42\uff0c\u6216\u8005\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 SQL \u4e2d\u7684\u5206\u9801\u67e5\u8a62\u8a9e\u53e5\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\uff0c\u63d0\u5347\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-168531","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168531","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=168531"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168531\/revisions"}],"predecessor-version":[{"id":168532,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168531\/revisions\/168532"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}