{"id":528,"date":"2011-03-08T16:29:06","date_gmt":"2011-03-08T08:29:06","guid":{"rendered":"http:\/\/j178.mtgbb.com\/?p=528"},"modified":"2018-02-19T01:02:45","modified_gmt":"2018-02-18T17:02:45","slug":"%e7%94%a8-row_number-over-%e5%8f%96%e6%9c%80%e6%96%b0%e7%9a%84%e8%a8%98%e9%8c%84","status":"publish","type":"post","link":"https:\/\/j178.mtgbb.com\/?p=528","title":{"rendered":"\u7528 row_number() over \u53d6\u6700\u65b0\u7684\u8a18\u9304"},"content":{"rendered":"<p>Oracle DB \u4e2d\uff0c\u78b0\u5230\u540c\u500b table \u88e1\u6709\u91cd\u8907\u7684\u8cc7\u6599\uff0c\u4e14\u8981\u53d6\u6700\u65b0\u7684\u8cc7\u6599\u6642<\/p>\n<p>\u53ef\u4f7f\u7528\u4ee5\u4e0b\u7684 SQL \u67e5\u8a62<\/p>\n<p><!--more--><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\">SELECT part6\r\n     , traymtlno\r\n     , traytype\r\n     , trayusage\r\n     , update_date\r\n     , primary_flag\r\n     , device_group\r\nFROM   (SELECT part6\r\n             , traymtlno\r\n             , traytype\r\n             , trayusage\r\n             , update_date\r\n             , primary_flag\r\n             , device_group\r\n             , ROW_NUMBER() OVER(PARTITION BY part6, traymtlno ORDER BY emi.update_date DESC)  row_flag\r\n        FROM   en_mast_interface emi)\r\nWHERE  row_flag = 1<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle DB \u4e2d\uff0c\u78b0\u5230\u540c\u500b table \u88e1\u6709\u91cd\u8907\u7684\u8cc7\u6599\uff0c\u4e14\u8981\u53d6\u6700\u65b0\u7684\u8cc7\u6599\u6642 \u53ef\u4f7f\u7528\u4ee5\u4e0b\u7684 SQL \u67e5\u8a62<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[23],"class_list":["post-528","post","type-post","status-publish","format-standard","hentry","category-database","tag-oracle-db"],"_links":{"self":[{"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/posts\/528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=528"}],"version-history":[{"count":1,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/posts\/528\/revisions"}],"predecessor-version":[{"id":1166,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=\/wp\/v2\/posts\/528\/revisions\/1166"}],"wp:attachment":[{"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/j178.mtgbb.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}