{"id":877,"date":"2020-08-27T17:33:32","date_gmt":"2020-08-27T09:33:32","guid":{"rendered":"http:\/\/www.gbase8.cn\/?p=877"},"modified":"2021-01-25T18:05:23","modified_gmt":"2021-01-25T10:05:23","slug":"gbase-8a%e6%95%b0%e6%8d%ae%e5%ba%93%e5%a4%9a%e8%a1%a8%e5%85%b3%e8%81%94%e6%9b%b4%e6%96%b0update","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/877","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\u591a\u8868\u5173\u8054\u66f4\u65b0update"},"content":{"rendered":"<p>GBase 8a\u6570\u636e\u5e93\uff0c\u5728update\u65f6\uff0c\u652f\u6301\u591a\u8868\u5173\u8054\u66f4\u65b0\uff0c\u7c7b\u4f3c\u591a\u8868\u5173\u8054select, \u53ef\u4ee5\u901a\u8fc7\u591a\u8868\u5173\u8054\u5bf9\u6307\u5b9a\u7684\u8868\u5b57\u6bb5\u8fdb\u884c\u66f4\u65b0\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ab387ddd12\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ab387ddd12\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/877\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/877\/#%E8%AF%AD%E6%B3%95\" >\u8bed\u6cd5<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/en\/1771\/\">GBase 8a\u591a\u8868\u5173\u8054\u5220\u9664delete join<br><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%AD%E6%B3%95\"><\/span>\u8bed\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>update tableA, tableB \n  set tableA.val=tableB.val\nwhere tableA.id=tableB.id<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2dset\u91cc\u9762\u7684tableA.val\u4ee3\u8868\u66f4\u65b0\u7684\u8868\u662ftableA\u3002<\/p>\n\n\n\n<p>\u66f4\u65b0\u6761\u4ef6\u662f\u6ee1\u8db3where\u7684\u90e8\u5206<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u6570\u636e\u5e93\uff0c\u5728update\u65f6\uff0c\u652f\u6301\u591a\u8868\u5173\u8054\u66f4\u65b0\uff0c\u7c7b\u4f3c\u591a\u8868\u5173\u8054select, \u53ef\u4ee5\u901a\u8fc7\u591a\u8868\u5173\u8054\u5bf9\u6307\u5b9a\u7684\u8868\u5b57\u6bb5\u8fdb\u884c\u66f4\u65b0\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,4],"tags":[],"class_list":["post-877","post","type-post","status-publish","format-standard","hentry","category-gbase8a"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=877"}],"version-history":[{"count":3,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/877\/revisions"}],"predecessor-version":[{"id":3796,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/877\/revisions\/3796"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}