{"id":5890,"date":"2024-11-14T13:44:24","date_gmt":"2024-11-14T05:44:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5890\/"},"modified":"2024-11-14T13:44:24","modified_gmt":"2024-11-14T05:44:24","slug":"sql%e5%88%86%e9%a1%b5%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5890\/","title":{"rendered":"sql\u5206\u9875\u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"<blockquote><p>\n  sql\u5206\u9875\u4f7f\u7528limit\u5173\u952e\u5b57\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u8bb0\u5f55\u6570\uff0c\u4f7f\u7528offset\u5173\u952e\u5b57\u6307\u5b9a\u8df3\u8fc7\u8bb0\u5f55\u6570\uff0c\u5b9e\u73b0\u6bcf\u9875\u6307\u5b9a\u8bb0\u5f55\u6570\u7684\u5206\u9875\u6548\u679c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202406\/03\/2024060321481890151.jpg\" class=\"aligncenter\" title=\"sql\u5206\u9875\u600e\u4e48\u4f7f\u7528\u63d2\u56fe\" alt=\"sql\u5206\u9875\u600e\u4e48\u4f7f\u7528\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u5206\u9875\u7684\u4f7f\u7528<\/strong><\/p>\n<p>\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\uff0c\u5206\u9875\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u5c06\u7ed3\u679c\u96c6\u62c6\u5206\u6210\u8f83\u5c0f\u7684\u3001\u66f4\u6613\u4e8e\u7ba1\u7406\u7684\u5757\u3002SQL \u4e2d\u4f7f\u7528 LIMIT \u548c OFFSET \u5173\u952e\u5b57\u6765\u5b9e\u73b0\u5206\u9875\u3002<\/p>\n<p><strong>LIMIT \u5173\u952e\u5b57<\/strong><\/p>\n<p>LIMIT \u5173\u952e\u5b57\u7528\u4e8e\u6307\u5b9a\u8981\u4ece\u7ed3\u679c\u96c6\u4e2d\u8fd4\u56de\u7684\u8bb0\u5f55\u6570\u3002\u4f8b\u5982\u4ee5\u4e0b\u67e5\u8be2\u5c06\u8fd4\u56de\u7ed3\u679c\u96c6\u7684\u524d 10 \u6761\u8bb0\u5f55\uff1a<\/p>\n<pre>SELECT * FROM table_name LIMIT 10;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>OFFSET \u5173\u952e\u5b57<\/strong><\/p>\n<p>OFFSET \u5173\u952e\u5b57\u7528\u4e8e\u6307\u5b9a\u4ece\u7ed3\u679c\u96c6\u5f00\u59cb\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\u3002\u5b83\u901a\u5e38\u4e0e LIMIT \u5173\u952e\u5b57\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4ece\u7279\u5b9a\u4f4d\u7f6e\u5f00\u59cb\u8fd4\u56de\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u5c06\u8fd4\u56de\u7ed3\u679c\u96c6\u7684\u7b2c 11 \u5230\u7b2c 20 \u6761\u8bb0\u5f55\uff1a<\/p>\n<pre>SELECT * FROM table_name LIMIT 10 OFFSET 10;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>\u5206\u9875\u67e5\u8be2\u7684\u793a\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u67e5\u8be2\u5c06\u7ed3\u679c\u96c6\u5206\u9875\uff0c\u6bcf\u9875\u663e\u793a 10 \u6761\u8bb0\u5f55\uff1a<\/p>\n<pre>SELECT * FROM table_name LIMIT 10 OFFSET (page_number - 1) * 10;<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5176\u4e2d\uff0cpage_number \u662f\u8981\u8fd4\u56de\u7684\u7ed3\u679c\u9875\u6570\u3002\u4f8b\u5982\uff0c\u8981\u8fd4\u56de\u7b2c\u4e8c\u9875\uff0c\u5e94\u5c06 page_number \u8bbe\u7f6e\u4e3a 2\u3002<\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n<ul>\n<li>LIMIT \u548c OFFSET \u5173\u952e\u5b57\u7684\u884c\u4e3a\u6839\u636e\u4e0d\u540c\u7684\u6570\u636e\u5e93\u5f15\u64ce\u800c\u5f02\u3002<\/li>\n<li>\u5bf9\u4e8e\u5927\u578b\u6570\u636e\u96c6\uff0c\u5206\u9875\u53ef\u80fd\u6548\u7387\u4f4e\u4e0b\u3002\u5efa\u8bae\u4f7f\u7528\u8bf8\u5982\u7d22\u5f15\u6216\u5206\u533a\u4e4b\u7c7b\u7684\u6280\u672f\u6765\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li>\u5206\u9875\u67e5\u8be2\u53ef\u4ee5\u4f7f\u7528 WHERE \u5b50\u53e5\u8fdb\u4e00\u6b65\u8fc7\u6ee4\u7ed3\u679c\u96c6\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u5206\u9875\u600e\u4e48\u4f7f\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sql\u5206\u9875\u4f7f\u7528limit\u5173\u952e\u5b57\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u8bb0\u5f55\u6570\uff0c\u4f7f\u7528offset\u5173\u952e\u5b57\u6307\u5b9a\u8df3\u8fc7\u8bb0\u5f55\u6570\uff0c\u5b9e\u73b0\u6bcf\u9875\u6307\u5b9a\u8bb0\u5f55\u6570\u7684\u5206\u9875\u6548\u679c\u3002 SQL \u5206\u9875\u7684\u4f7f\u7528 \u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\uff0c\u5206\u9875\u662f\u4e00\u4e2a\u81f3\u5173\u91cd\u8981\u7684\u6280\u672f\uff0c\u5b83\u5141\u8bb8\u5c06\u7ed3\u679c\u96c6\u62c6\u5206\u6210\u8f83\u5c0f\u7684\u3001\u66f4\u6613\u4e8e\u7ba1\u7406\u7684\u5757\u3002SQL \u4e2d\u4f7f\u7528 LIMIT \u548c OFFSET \u5173\u952e\u5b57\u6765\u5b9e\u73b0\u5206\u9875\u3002 LIMIT \u5173\u952e\u5b57 LIMIT \u5173\u952e\u5b57\u7528\u4e8e\u6307\u5b9a\u8981\u4ece\u7ed3\u679c\u96c6\u4e2d\u8fd4\u56de\u7684\u8bb0\u5f55\u6570\u3002\u4f8b\u5982\u4ee5\u4e0b\u67e5\u8be2\u5c06\u8fd4\u56de\u7ed3\u679c\u96c6\u7684\u524d 10 \u6761\u8bb0\u5f55\uff1a SELECT * FROM table_name LIMIT 10; \u767b\u5f55\u540e\u590d\u5236 OFFSET \u5173\u952e\u5b57 OFFSET \u5173\u952e\u5b57\u7528\u4e8e\u6307\u5b9a\u4ece\u7ed3\u679c\u96c6\u5f00\u59cb\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\u3002\u5b83\u901a\u5e38\u4e0e LIMIT \u5173\u952e\u5b57\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4ece\u7279\u5b9a\u4f4d\u7f6e\u5f00\u59cb\u8fd4\u56de\u8bb0\u5f55\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u5c06\u8fd4\u56de\u7ed3\u679c\u96c6\u7684\u7b2c 11 \u5230\u7b2c 20 \u6761\u8bb0\u5f55\uff1a SELECT * FROM table_name LIMIT 10 OFFSET 10; \u767b\u5f55\u540e\u590d\u5236 \u5206\u9875\u67e5\u8be2\u7684\u793a\u4f8b \u4ee5\u4e0b\u67e5\u8be2\u5c06\u7ed3\u679c\u96c6\u5206\u9875\uff0c\u6bcf\u9875\u663e\u793a 10 \u6761\u8bb0\u5f55\uff1a SELECT * FROM table_name LIMIT 10 OFFSET (page_number &#8211; 1) [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-5890","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=5890"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5890\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}