{"id":217832,"date":"2023-12-23T01:00:24","date_gmt":"2023-12-22T17:00:24","guid":{"rendered":"https:\/\/www.idc.net\/help\/217832\/"},"modified":"2023-12-23T01:00:24","modified_gmt":"2023-12-22T17:00:24","slug":"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8full-outer-join%e5%9c%a8%e5%b7%a6%e8%a1%a8%e6%88%96%e5%8f%b3%e8%a1%a8%e6%9c%89%e5%8c%b9%e9%85%8d%e6%97%b6%e8%bf%94%e5%9b%9e-2","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217832\/","title":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528FULL OUTER JOIN\u5728\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\u8fd4\u56de\u6240\u6709\u8bb0\u5f55"},"content":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528FULL OUTER JOIN\u5728\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\u8fd4\u56de\u6240\u6709\u8bb0\u5f55<\/title><\/p>\n<h1 id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8full-outer-join%e5%9c%a8%e5%b7%a6%e8%a1%a8%e6%88%96%e5%8f%b3%e8%a1%a8%e6%9c%89%e5%8c%b9%e9%85%8d%e6%97%b6%e8%bf%94%e5%9b%9e%e6%89%80-mkdaxYHRTx\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528FULL OUTER JOIN\u5728\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\u8fd4\u56de\u6240\u6709\u8bb0\u5f55<\/h1>\n<p>\u5728MySQL\u4e2d\uff0cFULL OUTER JOIN\u662f\u4e00\u79cd\u8fde\u63a5\u4e24\u4e2a\u8868\u7684\u65b9\u6cd5\uff0c\u5b83\u8fd4\u56de\u5de6\u8868\u548c\u53f3\u8868\u4e2d\u6240\u6709\u8bb0\u5f55\uff0c\u5f53\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\uff0c\u8fd4\u56de\u6240\u6709\u8bb0\u5f55\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-mkdaxYHRTx\">\u8bed\u6cd5<\/h2>\n<p>\u4f7f\u7528FULL OUTER JOIN\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SELECT column_name(s)\nFROM table1\nFULL OUTER JOIN table2 ON table1.column_name = table2.column_name;<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u8bed\u6cd5\u4e2d\uff0c<code>table1<\/code>\u548c<code>table2<\/code>\u662f\u8981\u8fde\u63a5\u7684\u4e24\u4e2a\u8868\uff0c<code>column_name<\/code>\u662f\u8981\u8fde\u63a5\u7684\u5217\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-mkdaxYHRTx\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u8868\uff0c\u4e00\u4e2a\u662f<code>customers<\/code>\u8868\uff0c\u5305\u542b\u5ba2\u6237\u7684\u4fe1\u606f\uff0c\u53e6\u4e00\u4e2a\u662f<code>orders<\/code>\u8868\uff0c\u5305\u542b\u8ba2\u5355\u7684\u4fe1\u606f\u3002\u6211\u4eec\u60f3\u8981\u83b7\u53d6\u6240\u6709\u5ba2\u6237\u548c\u8ba2\u5355\u7684\u4fe1\u606f\uff0c\u65e0\u8bba\u662f\u5426\u6709\u5339\u914d\u7684\u8bb0\u5f55\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528FULL OUTER JOIN\u6765\u5b9e\u73b0\u8fd9\u4e2a\u76ee\u6807\uff1a<\/p>\n<pre><code>SELECT customers.customer_name, orders.order_number\nFROM customers\nFULL OUTER JOIN orders ON customers.customer_id = orders.customer_id;<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>customers<\/code>\u8868\u548c<code>orders<\/code>\u8868\u8fdb\u884c\u8fde\u63a5\uff0c\u8fde\u63a5\u7684\u5217\u662f<code>customer_id<\/code>\u3002\u6211\u4eec\u9009\u62e9\u4e86<code>customers.customer_name<\/code>\u548c<code>orders.order_number<\/code>\u8fd9\u4e24\u5217\u4f5c\u4e3a\u7ed3\u679c\u3002<\/p>\n<p>\u8fd9\u4e2a\u67e5\u8be2\u5c06\u8fd4\u56de\u6240\u6709\u5ba2\u6237\u548c\u8ba2\u5355\u7684\u4fe1\u606f\uff0c\u65e0\u8bba\u662f\u5426\u6709\u5339\u914d\u7684\u8bb0\u5f55\u3002\u5982\u679c\u5de6\u8868\u6216\u53f3\u8868\u4e2d\u6709\u5339\u914d\u7684\u8bb0\u5f55\uff0c\u5c06\u8fd4\u56de\u6240\u6709\u8bb0\u5f55\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-mkdaxYHRTx\">\u603b\u7ed3<\/h2>\n<p>\u5728MySQL\u4e2d\uff0c\u4f7f\u7528FULL OUTER JOIN\u53ef\u4ee5\u5728\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\u8fd4\u56de\u6240\u6709\u8bb0\u5f55\u3002\u8fd9\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u8fde\u63a5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u83b7\u53d6\u6240\u6709\u76f8\u5173\u7684\u6570\u636e\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u4e00\u4e2a\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u516c\u53f8\u6765\u6258\u7ba1\u60a8\u7684\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002\u4ed6\u4eec\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7b49\u4ea7\u54c1\u3002\u60a8\u53ef\u4ee5\u5728<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528FULL OUTER JOIN\u5728\u5de6\u8868\u6216\u53f3\u8868\u6709\u5339\u914d\u65f6\u8fd4\u56de\u6240\u6709\u8bb0\u5f55 MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197851],"tags":[],"class_list":["post-217832","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=217832"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217832\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}