{"id":78517,"date":"2026-02-27T20:41:24","date_gmt":"2026-02-27T12:41:24","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/78517.html"},"modified":"2026-02-27T20:41:24","modified_gmt":"2026-02-27T12:41:24","slug":"sql%e7%aa%97%e5%8f%a3%e5%87%bd%e6%95%b0%e5%ae%9e%e8%b7%b5%e7%ac%94%e8%ae%b0%ef%bc%88%e4%b8%83%ef%bc%89-%e7%b4%af%e7%a7%af%e5%88%86%e5%b8%83%e5%87%bd%e6%95%b0cume_dist%e5%92%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/78517.html","title":{"rendered":"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528"},"content":{"rendered":"<p>CUME_DIST()\uff1a\u7d2f\u79ef\u5206\u5e03\u51fd\u6570 PERCENT_RANK()\uff1a\u767e\u5206\u6bd4\u6392\u540d \u8fd9\u4e24\u4e2a\u51fd\u6570\u7528\u4e8e\u5206\u6790\u6570\u636e\u7684\u6392\u540d\u5206\u5e03\uff0c\u5e76\u6839\u636e\u6570\u636e\u96c6\u7684\u5206\u5e03\u6765\u8ba1\u7b97\u6bcf\u4e2a\u503c\u76f8\u5bf9\u4e8e\u6574\u4f53\u7684\u4f4d\u7f6e\u3002\u5b83\u4eec\u5728\u7edf\u8ba1\u5206\u6790\u3001\u5e02\u573a\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30\u7b49\u573a\u666f\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002 \u4e00\u3001CUME_DIST() \u548c PERCENT_RANK() \u7b80\u4ecb **CUME_DIST()\uff1a**\u8ba1\u7b97\u5f53\u524d\u884c\u7684\u7d2f\u79ef\u5206\u5e03\u767e\u5206\u6bd4\uff0c\u5373\u5f53\u524d\u884c\u7684\u503c\u5728\u6240\u6709\u884c\u4e2d\u6709\u591a\u5c11\u6bd4\u4f8b\u7684\u503c\u5c0f\u4e8e\u6216\u7b49\u4e8e\u5b83\u3002 <span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\">CUME_DIST(xi)=\u2223{<br \/>\n     xj\u2223xj\u2264xi}\u2223n CUME\\\\_DIST(x_i) = \\\\frac{\\\\left| \\\\{ x_j \\\\mid x_j \\\\le x_i \\\\} \\\\right|}{n} <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.06em;vertical-align: -0.31em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0715em\">C<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.109em\">U<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0576em\">ME<\/span><span class=\"mord\" style=\"margin-right: 0.0278em\">_<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0278em\">D<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0785em\">I<\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.1389em\">ST<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">i<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">=<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 2.113em;vertical-align: -0.686em\"><\/span><span class=\"mord\"><span class=\"mopen nulldelimiter\"><\/span><span class=\"mfrac\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 1.427em\"><span class=\"\" style=\"top: -2.314em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">n<\/span><\/span><\/span><span class=\"\" style=\"top: -3.23em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"frac-line\" style=\"border-bottom-width: 0.04em\"><\/span><\/span><span class=\"\" style=\"top: -3.677em\"><span class=\"pstrut\" style=\"height: 3em\"><\/span><span class=\"mord\"><span class=\"minner\"><span class=\"mopen delimcenter\" style=\"top: 0em\">\u2223<\/span><span class=\"mopen\">{<br \/>\n               <\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0572em\">j<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2223<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0572em\">j<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">i<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">}<\/span><span class=\"mclose delimcenter\" style=\"top: 0em\">\u2223<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.686em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><span class=\"mclose nulldelimiter\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u542b\u4e49\uff1a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">xj\u2223xj\u2264xi{ x_j \\\\mid x_j \\\\le x_i }<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1.0361em;vertical-align: -0.2861em\"><\/span><span class=\"mord\"><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0572em\">j<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.2861em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2223<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\" style=\"margin-right: 0.0572em\">j<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CUME_DIST()\uff1a\u7d2f\u79ef\u5206\u5e03\u51fd\u6570 PERCENT_RANK()\uff1a\u767e\u5206\u6bd4\u6392\u540d \u8fd9\u4e24\u4e2a\u51fd\u6570\u7528\u4e8e\u5206\u6790\u6570\u636e\u7684\u6392\u540d\u5206\u5e03\uff0c\u5e76\u6839\u636e\u6570\u636e\u96c6\u7684\u5206\u5e03\u6765\u8ba1\u7b97\u6bcf\u4e2a\u503c\u76f8\u5bf9\u4e8e\u6574\u4f53\u7684\u4f4d\u7f6e\u3002\u5b83\u4eec\u5728\u7edf\u8ba1\u5206\u6790\u3001\u5e02\u573a\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30\u7b49\u573a\u666f\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002 \u4e00\u3001CUME_DIST() \u548c PERCENT_RANK() \u7b80\u4ecb **CUME_DIST()\uff1a**\u8ba1\u7b97\u5f53\u524d\u884c\u7684\u7d2f\u79ef\u5206\u5e03\u767e\u5206\u6bd4\uff0c\u5373\u5f53\u524d\u884c\u7684\u503c\u5728\u6240\u6709\u884c\u4e2d\u6709\u591a\u5c11\u6bd4\u4f8b\u7684\u503c\u5c0f\u4e8e\u6216\u7b49\u4e8e\u5b83\u3002 CUME_DIST(xi)=\u2223{ xj\u2223xj\u2264xi}\u2223n CUME\\\\_DIST(x<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[768,305,427],"topic":[],"class_list":["post-78517","post","type-post","status-publish","format-standard","hentry","category-server","tag-sql","tag-305","tag-427"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/78517.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"CUME_DIST()\uff1a\u7d2f\u79ef\u5206\u5e03\u51fd\u6570 PERCENT_RANK()\uff1a\u767e\u5206\u6bd4\u6392\u540d \u8fd9\u4e24\u4e2a\u51fd\u6570\u7528\u4e8e\u5206\u6790\u6570\u636e\u7684\u6392\u540d\u5206\u5e03\uff0c\u5e76\u6839\u636e\u6570\u636e\u96c6\u7684\u5206\u5e03\u6765\u8ba1\u7b97\u6bcf\u4e2a\u503c\u76f8\u5bf9\u4e8e\u6574\u4f53\u7684\u4f4d\u7f6e\u3002\u5b83\u4eec\u5728\u7edf\u8ba1\u5206\u6790\u3001\u5e02\u573a\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30\u7b49\u573a\u666f\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002 \u4e00\u3001CUME_DIST() \u548c PERCENT_RANK() \u7b80\u4ecb **CUME_DIST()\uff1a**\u8ba1\u7b97\u5f53\u524d\u884c\u7684\u7d2f\u79ef\u5206\u5e03\u767e\u5206\u6bd4\uff0c\u5373\u5f53\u524d\u884c\u7684\u503c\u5728\u6240\u6709\u884c\u4e2d\u6709\u591a\u5c11\u6bd4\u4f8b\u7684\u503c\u5c0f\u4e8e\u6216\u7b49\u4e8e\u5b83\u3002 CUME_DIST(xi)=\u2223{ xj\u2223xj\u2264xi}\u2223n CUME\\_DIST(x\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/78517.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-27T12:41:24+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78517.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/78517.html\",\"name\":\"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-02-27T12:41:24+00:00\",\"dateModified\":\"2026-02-27T12:41:24+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/78517.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/78517.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/78517.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/78517.html","og_locale":"zh_CN","og_type":"article","og_title":"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"CUME_DIST()\uff1a\u7d2f\u79ef\u5206\u5e03\u51fd\u6570 PERCENT_RANK()\uff1a\u767e\u5206\u6bd4\u6392\u540d \u8fd9\u4e24\u4e2a\u51fd\u6570\u7528\u4e8e\u5206\u6790\u6570\u636e\u7684\u6392\u540d\u5206\u5e03\uff0c\u5e76\u6839\u636e\u6570\u636e\u96c6\u7684\u5206\u5e03\u6765\u8ba1\u7b97\u6bcf\u4e2a\u503c\u76f8\u5bf9\u4e8e\u6574\u4f53\u7684\u4f4d\u7f6e\u3002\u5b83\u4eec\u5728\u7edf\u8ba1\u5206\u6790\u3001\u5e02\u573a\u5206\u6790\u3001\u98ce\u9669\u8bc4\u4f30\u7b49\u573a\u666f\u4e2d\u6709\u5e7f\u6cdb\u5e94\u7528\u3002 \u4e00\u3001CUME_DIST() \u548c PERCENT_RANK() \u7b80\u4ecb **CUME_DIST()\uff1a**\u8ba1\u7b97\u5f53\u524d\u884c\u7684\u7d2f\u79ef\u5206\u5e03\u767e\u5206\u6bd4\uff0c\u5373\u5f53\u524d\u884c\u7684\u503c\u5728\u6240\u6709\u884c\u4e2d\u6709\u591a\u5c11\u6bd4\u4f8b\u7684\u503c\u5c0f\u4e8e\u6216\u7b49\u4e8e\u5b83\u3002 CUME_DIST(xi)=\u2223{ xj\u2223xj\u2264xi}\u2223n CUME\\_DIST(x","og_url":"https:\/\/www.wsisp.com\/helps\/78517.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-02-27T12:41:24+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/78517.html","url":"https:\/\/www.wsisp.com\/helps\/78517.html","name":"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-02-27T12:41:24+00:00","dateModified":"2026-02-27T12:41:24+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/78517.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/78517.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/78517.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"SQL\u7a97\u53e3\u51fd\u6570\u5b9e\u8df5\u7b14\u8bb0\uff08\u4e03\uff09\u2014\u2014\u7d2f\u79ef\u5206\u5e03\u51fd\u6570CUME_DIST()\u548c\u767e\u5206\u6bd4\u6392\u540d\u51fd\u6570PERCENT_RANK()\u7684\u533a\u522b\u4e0e\u5e94\u7528"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78517","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=78517"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/78517\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=78517"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=78517"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=78517"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=78517"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}