{"id":6331,"date":"2024-11-14T12:22:06","date_gmt":"2024-11-14T04:22:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6331\/"},"modified":"2024-11-14T12:22:06","modified_gmt":"2024-11-14T04:22:06","slug":"mysql%e5%88%86%e9%a1%b5%e6%9f%a5%e8%af%a2%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6331\/","title":{"rendered":"mysql\u5206\u9875\u67e5\u8be2\u600e\u4e48\u5b9e\u73b0"},"content":{"rendered":"<blockquote><p>\n  mysql \u5206\u9875\u67e5\u8be2\u53ef\u5c06\u67e5\u8be2\u7ed3\u679c\u5212\u5206\u4e3a\u9875\u9762\uff0c\u4e00\u6b21\u53ea\u52a0\u8f7d\u4e00\u9875\uff0c\u5b9e\u73b0\u6b65\u9aa4\u5305\u62ec\uff1a\u786e\u5b9a\u6bcf\u9875\u8bb0\u5f55\u6570\u3002\u8ba1\u7b97\u504f\u79fb\u91cf\uff1a\u504f\u79fb\u91cf = (\u9875\u7801 &#8211; 1) * \u6bcf\u9875\u8bb0\u5f55\u6570\u3002\u4f7f\u7528 limit \u548c offset \u5b50\u53e5\u6267\u884c\u67e5\u8be2\u3002\u4f18\u70b9\uff1a\u63d0\u9ad8\u6027\u80fd\u3001\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3001\u8282\u7701\u8d44\u6e90\u3002\u6ce8\u610f\uff1a\u53ea\u80fd\u4e0e order by \u5b50\u53e5\u7ed3\u5408\u4f7f\u7528\uff0c\u4e0d\u9002\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u67e5\u8be2\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202407\/31\/2024073122492547086.jpg\" class=\"aligncenter\" title=\"mysql\u5206\u9875\u67e5\u8be2\u600e\u4e48\u5b9e\u73b0\u63d2\u56fe\" alt=\"mysql\u5206\u9875\u67e5\u8be2\u600e\u4e48\u5b9e\u73b0\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL \u4e2d\u7684\u5206\u9875\u67e5\u8be2<\/strong><\/p>\n<p>MySQL \u4e2d\u7684\u5206\u9875\u67e5\u8be2\u662f\u4e00\u79cd\u5c06\u7ed3\u679c\u96c6\u5212\u5206\u4e3a\u8f83\u5c0f\u5757\uff08\u79f0\u4e3a\u9875\u9762\uff09\u7684\u6280\u672f\uff0c\u4ee5\u4fbf\u4e00\u6b21\u53ea\u52a0\u8f7d\u548c\u663e\u793a\u5176\u4e2d\u4e00\u9875\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u5206\u9875\u67e5\u8be2\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u786e\u5b9a\u6bcf\u9875\u8bb0\u5f55\u6570\uff1a<\/strong>\u8fd9\u53d6\u51b3\u4e8e\u7528\u6237\u754c\u9762\u7684\u8981\u6c42\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u9650\u5236\u3002<\/li>\n<li> <strong>\u8ba1\u7b97\u504f\u79fb\u91cf\uff1a<\/strong>\u8fd9\u662f\u4ece\u7ed3\u679c\u96c6\u5f00\u5934\u5904\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\uff0c\u4ee5\u83b7\u53d6\u7279\u5b9a\u9875\u9762\u7684\u8bb0\u5f55\u3002\u504f\u79fb\u91cf\u7531\u9875\u7801\u548c\u6bcf\u9875\u8bb0\u5f55\u6570\u8ba1\u7b97\u5f97\u51fa\uff1a\u504f\u79fb\u91cf = (\u9875\u7801 &#8211; 1) * \u6bcf\u9875\u8bb0\u5f55\u6570<\/li>\n<li> <strong>\u6267\u884c\u67e5\u8be2\uff1a<\/strong>\u4f7f\u7528 LIMIT \u548c OFFSET \u5b50\u53e5\u6765\u68c0\u7d22\u7279\u5b9a\u9875\u9762\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff1a<\/li>\n<\/ol>\n<pre>SELECT * FROM table_name LIMIT 10 OFFSET 20;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b 100 \u6761\u8bb0\u5f55\u7684\u8868 students\uff0c\u5e76\u4e14\u6211\u4eec\u8981\u5c06\u7ed3\u679c\u5212\u5206\u4e3a\u6bcf\u9875 20 \u6761\u8bb0\u5f55\u3002\u4e3a\u4e86\u83b7\u53d6\u7b2c 3 \u9875\uff0c\u6211\u4eec\u5c06\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n<pre>SELECT * FROM students LIMIT 20 OFFSET 40;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u67e5\u8be2\u5c06\u8df3\u8fc7\u524d 40 \u6761\u8bb0\u5f55\uff0c\u7136\u540e\u68c0\u7d22\u7b2c 41 \u5230 60 \u6761\u8bb0\u5f55\uff08\u7b2c\u4e09\u9875\uff09\u3002<\/p>\n<p><strong>\u4f18\u70b9\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u4e00\u6b21\u53ea\u52a0\u8f7d\u4e00\u9875\u8bb0\u5f55\u53ef\u4ee5\u663e\u7740\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8d1f\u8f7d\uff0c\u4ece\u800c\u63d0\u9ad8\u67e5\u8be2\u901f\u5ea6\u3002<\/li>\n<li> <strong>\u6539\u5584\u7528\u6237\u4f53\u9a8c\uff1a<\/strong>\u5206\u9875\u67e5\u8be2\u4f7f\u7528\u6237\u80fd\u591f\u5feb\u901f\u52a0\u8f7d\u548c\u6d4f\u89c8\u5927\u6570\u636e\u96c6\uff0c\u800c\u65e0\u9700\u7b49\u5f85\u6574\u4e2a\u7ed3\u679c\u96c6\u52a0\u8f7d\u3002<\/li>\n<li> <strong>\u8d44\u6e90\u8282\u7ea6\uff1a<\/strong>\u5b83\u53ef\u4ee5\u9632\u6b62\u670d\u52a1\u5668\u5185\u5b58\u8017\u5c3d\uff0c\u56e0\u4e3a\u4e00\u6b21\u53ea\u52a0\u8f7d\u8f83\u5c0f\u7684\u8bb0\u5f55\u96c6\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>LIMIT \u548c OFFSET \u5b50\u53e5\u53ea\u80fd\u4e0e ORDER BY \u5b50\u53e5\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u8bb0\u5f55\u6309\u7279\u5b9a\u987a\u5e8f\u8fd4\u56de\u3002<\/li>\n<li>\u5206\u9875\u67e5\u8be2\u4e0d\u9002\u5408\u5bf9\u5b9e\u65f6\u6570\u636e\u8fdb\u884c\u67e5\u8be2\uff0c\u56e0\u4e3a\u6570\u636e\u53ef\u80fd\u5728\u5206\u9875\u8fc7\u7a0b\u4e2d\u53d1\u751f\u53d8\u5316\uff0c\u4ece\u800c\u5bfc\u81f4\u4e0d\u51c6\u786e\u7684\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5206\u9875\u67e5\u8be2\u600e\u4e48\u5b9e\u73b0\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>mysql \u5206\u9875\u67e5\u8be2\u53ef\u5c06\u67e5\u8be2\u7ed3\u679c\u5212\u5206\u4e3a\u9875\u9762\uff0c\u4e00\u6b21\u53ea\u52a0\u8f7d\u4e00\u9875\uff0c\u5b9e\u73b0\u6b65\u9aa4\u5305\u62ec\uff1a\u786e\u5b9a\u6bcf\u9875\u8bb0\u5f55\u6570\u3002\u8ba1\u7b97\u504f\u79fb\u91cf\uff1a\u504f\u79fb\u91cf = (\u9875\u7801 &#8211; 1) * \u6bcf\u9875\u8bb0\u5f55\u6570\u3002\u4f7f\u7528 limit \u548c offset \u5b50\u53e5\u6267\u884c\u67e5\u8be2\u3002\u4f18\u70b9\uff1a\u63d0\u9ad8\u6027\u80fd\u3001\u6539\u5584\u7528\u6237\u4f53\u9a8c\u3001\u8282\u7701\u8d44\u6e90\u3002\u6ce8\u610f\uff1a\u53ea\u80fd\u4e0e order by \u5b50\u53e5\u7ed3\u5408\u4f7f\u7528\uff0c\u4e0d\u9002\u7528\u4e8e\u5b9e\u65f6\u6570\u636e\u67e5\u8be2\u3002 MySQL \u4e2d\u7684\u5206\u9875\u67e5\u8be2 MySQL \u4e2d\u7684\u5206\u9875\u67e5\u8be2\u662f\u4e00\u79cd\u5c06\u7ed3\u679c\u96c6\u5212\u5206\u4e3a\u8f83\u5c0f\u5757\uff08\u79f0\u4e3a\u9875\u9762\uff09\u7684\u6280\u672f\uff0c\u4ee5\u4fbf\u4e00\u6b21\u53ea\u52a0\u8f7d\u548c\u663e\u793a\u5176\u4e2d\u4e00\u9875\uff0c\u4ece\u800c\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002 \u5b9e\u73b0\u5206\u9875\u67e5\u8be2\u7684\u6b65\u9aa4\uff1a \u786e\u5b9a\u6bcf\u9875\u8bb0\u5f55\u6570\uff1a\u8fd9\u53d6\u51b3\u4e8e\u7528\u6237\u754c\u9762\u7684\u8981\u6c42\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u9650\u5236\u3002 \u8ba1\u7b97\u504f\u79fb\u91cf\uff1a\u8fd9\u662f\u4ece\u7ed3\u679c\u96c6\u5f00\u5934\u5904\u8df3\u8fc7\u7684\u8bb0\u5f55\u6570\uff0c\u4ee5\u83b7\u53d6\u7279\u5b9a\u9875\u9762\u7684\u8bb0\u5f55\u3002\u504f\u79fb\u91cf\u7531\u9875\u7801\u548c\u6bcf\u9875\u8bb0\u5f55\u6570\u8ba1\u7b97\u5f97\u51fa\uff1a\u504f\u79fb\u91cf = (\u9875\u7801 &#8211; 1) * \u6bcf\u9875\u8bb0\u5f55\u6570 \u6267\u884c\u67e5\u8be2\uff1a\u4f7f\u7528 LIMIT \u548c OFFSET \u5b50\u53e5\u6765\u68c0\u7d22\u7279\u5b9a\u9875\u9762\u7684\u8bb0\u5f55\u3002\u4f8b\u5982\uff1a SELECT * FROM table_name LIMIT 10 OFFSET 20; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b\uff1a \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5305\u542b 100 \u6761\u8bb0\u5f55\u7684\u8868 students\uff0c\u5e76\u4e14\u6211\u4eec\u8981\u5c06\u7ed3\u679c\u5212\u5206\u4e3a\u6bcf\u9875 20 \u6761\u8bb0\u5f55\u3002\u4e3a\u4e86\u83b7\u53d6\u7b2c 3 \u9875\uff0c\u6211\u4eec\u5c06\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff1a SELECT * FROM students [&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-6331","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6331","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=6331"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6331\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}