{"id":5637,"date":"2024-11-14T09:27:33","date_gmt":"2024-11-14T01:27:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/5637\/"},"modified":"2024-11-14T09:27:33","modified_gmt":"2024-11-14T01:27:33","slug":"sql%e5%88%86%e9%a1%b5%e6%80%8e%e4%b9%88%e6%8e%92%e5%88%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/5637\/","title":{"rendered":"sql\u5206\u9875\u600e\u4e48\u6392\u5217"},"content":{"rendered":"<blockquote><p>\n  sql \u4e2d\u7684\u5206\u9875\u548c\u6392\u5e8f\u53ef\u7528\u4e8e\u7ba1\u7406\u5927\u578b\u6570\u636e\u96c6\u3002\u5206\u9875\u4f7f\u7528 limit \u548c offset \u5b50\u53e5\u5c06\u6570\u636e\u96c6\u5206\u5272\u4e3a\u8f83\u5c0f\u90e8\u5206\uff0c\u800c\u6392\u5e8f\u4f7f\u7528 order by \u5b50\u53e5\u6309\u7279\u5b9a\u987a\u5e8f\u6392\u5217\u6570\u636e\u3002\u5c06\u5206\u9875\u548c\u6392\u5e8f\u7ed3\u5408\u4f7f\u7528\u53ef\u4ee5\u5bf9\u7279\u5b9a\u90e8\u5206\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u548c\u63d0\u53d6\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202405\/30\/2024053019303640245.jpg\" class=\"aligncenter\" title=\"sql\u5206\u9875\u600e\u4e48\u6392\u5217\u63d2\u56fe\" alt=\"sql\u5206\u9875\u600e\u4e48\u6392\u5217\u63d2\u56fe\" \/><\/p>\n<p><strong>SQL \u5206\u9875\u6392\u5e8f<\/strong><\/p>\n<p>\u5728 SQL \u4e2d\uff0c\u5206\u9875\u548c\u6392\u5e8f\u662f\u4e24\u4e2a\u7ecf\u5e38\u88ab\u4e00\u8d77\u4f7f\u7528\u7684\u6570\u636e\u5904\u7406\u6280\u672f\u3002\u5206\u9875\u5c06\u5927\u578b\u6570\u636e\u96c6\u5212\u5206\u6210\u8f83\u5c0f\u7684\u90e8\u5206\uff0c\u4ee5\u4fbf\u4e00\u6b21\u5904\u7406\u5c11\u91cf\u6570\u636e\uff0c\u800c\u6392\u5e8f\u5219\u5c06\u6570\u636e\u6309\u6307\u5b9a\u987a\u5e8f\u3002<\/p>\n<p><strong>\u5206\u9875<\/strong><\/p>\n<p>\u4f7f\u7528 SQL \u8fdb\u884c\u5206\u9875\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT \u548c OFFSET \u5b50\u53e5\u3002LIMIT \u5b50\u53e5\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u884c\u6570\uff0cOFFSET \u5b50\u53e5\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u884c\u6570\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u8fd4\u56de\u4ece\u7b2c 11 \u884c\u5f00\u59cb\u7684 10 \u884c\u6570\u636e\uff1a<\/p>\n<pre>SELECT * FROM table_name\nLIMIT 10 OFFSET 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u6392\u5e8f<\/strong><\/p>\n<p>\u4f7f\u7528 SQL \u8fdb\u884c\u6392\u5e8f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u3002ORDER BY \u5b50\u53e5\u6307\u5b9a\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u7684\u5217\uff0c\u4ee5\u53ca\u6392\u5e8f\u987a\u5e8f\uff08ASC \u8868\u793a\u5347\u5e8f\uff0cDESC \u8868\u793a\u964d\u5e8f\uff09\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u6309 &#8220;name&#8221; \u5217\u5347\u5e8f\u6392\u5e8f\uff0c\u5e76\u6309 &#8220;age&#8221; \u5217\u964d\u5e8f\u6392\u5e8f\uff1a<\/p>\n<pre>SELECT * FROM table_name\nORDER BY name ASC, age DESC;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5206\u9875\u548c\u6392\u5e8f\u7ed3\u5408\u4f7f\u7528<\/strong><\/p>\n<p>\u5206\u9875\u548c\u6392\u5e8f\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5bf9\u5927\u578b\u6570\u636e\u96c6\u8fdb\u884c\u5206\u9875\u548c\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u5c06\u6570\u636e\u6309 &#8220;name&#8221; \u5217\u5347\u5e8f\u6392\u5e8f\uff0c\u5e76\u8fd4\u56de\u4ece\u7b2c 11 \u884c\u5f00\u59cb\u7684 10 \u884c\u6570\u636e\uff1a<\/p>\n<pre>SELECT * FROM table_name\nORDER BY name ASC\nLIMIT 10 OFFSET 10;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u5206\u9875\u548c\u6392\u5e8f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4ece\u5927\u578b\u6570\u636e\u96c6\u4e2d\u7684\u7279\u5b9a\u90e8\u5206\u63d0\u53d6\u6240\u9700\u6570\u636e\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fsql\u5206\u9875\u600e\u4e48\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 \u4e2d\u7684\u5206\u9875\u548c\u6392\u5e8f\u53ef\u7528\u4e8e\u7ba1\u7406\u5927\u578b\u6570\u636e\u96c6\u3002\u5206\u9875\u4f7f\u7528 limit \u548c offset \u5b50\u53e5\u5c06\u6570\u636e\u96c6\u5206\u5272\u4e3a\u8f83\u5c0f\u90e8\u5206\uff0c\u800c\u6392\u5e8f\u4f7f\u7528 order by \u5b50\u53e5\u6309\u7279\u5b9a\u987a\u5e8f\u6392\u5217\u6570\u636e\u3002\u5c06\u5206\u9875\u548c\u6392\u5e8f\u7ed3\u5408\u4f7f\u7528\u53ef\u4ee5\u5bf9\u7279\u5b9a\u90e8\u5206\u7684\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u548c\u63d0\u53d6\u3002 SQL \u5206\u9875\u6392\u5e8f \u5728 SQL \u4e2d\uff0c\u5206\u9875\u548c\u6392\u5e8f\u662f\u4e24\u4e2a\u7ecf\u5e38\u88ab\u4e00\u8d77\u4f7f\u7528\u7684\u6570\u636e\u5904\u7406\u6280\u672f\u3002\u5206\u9875\u5c06\u5927\u578b\u6570\u636e\u96c6\u5212\u5206\u6210\u8f83\u5c0f\u7684\u90e8\u5206\uff0c\u4ee5\u4fbf\u4e00\u6b21\u5904\u7406\u5c11\u91cf\u6570\u636e\uff0c\u800c\u6392\u5e8f\u5219\u5c06\u6570\u636e\u6309\u6307\u5b9a\u987a\u5e8f\u3002 \u5206\u9875 \u4f7f\u7528 SQL \u8fdb\u884c\u5206\u9875\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT \u548c OFFSET \u5b50\u53e5\u3002LIMIT \u5b50\u53e5\u6307\u5b9a\u8981\u8fd4\u56de\u7684\u884c\u6570\uff0cOFFSET \u5b50\u53e5\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u884c\u6570\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u8fd4\u56de\u4ece\u7b2c 11 \u884c\u5f00\u59cb\u7684 10 \u884c\u6570\u636e\uff1a SELECT * FROM table_name LIMIT 10 OFFSET 10; \u767b\u5f55\u540e\u590d\u5236 \u6392\u5e8f \u4f7f\u7528 SQL \u8fdb\u884c\u6392\u5e8f\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 ORDER BY \u5b50\u53e5\u3002ORDER BY \u5b50\u53e5\u6307\u5b9a\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u7684\u5217\uff0c\u4ee5\u53ca\u6392\u5e8f\u987a\u5e8f\uff08ASC \u8868\u793a\u5347\u5e8f\uff0cDESC \u8868\u793a\u964d\u5e8f\uff09\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u67e5\u8be2\u6309 &#8220;name&#8221; \u5217\u5347\u5e8f\u6392\u5e8f\uff0c\u5e76\u6309 &#8220;age&#8221; \u5217\u964d\u5e8f\u6392\u5e8f\uff1a SELECT * FROM [&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-5637","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5637","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=5637"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/5637\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=5637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=5637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=5637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}