{"id":217758,"date":"2023-12-22T23:46:19","date_gmt":"2023-12-22T15:46:19","guid":{"rendered":"https:\/\/www.idc.net\/help\/217758\/"},"modified":"2023-12-22T23:46:19","modified_gmt":"2023-12-22T15:46:19","slug":"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8use-database%e5%88%87%e6%8d%a2%e5%88%b0%e4%b8%80%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217758\/","title":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528USE [database]\u5207\u6362\u5230\u4e00\u4e2a\u6570\u636e\u5e93"},"content":{"rendered":"<p><title id=\"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8use-database%e5%88%87%e6%8d%a2%e5%88%b0%e4%b8%80%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93-GlPlgKupyS\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528USE [database]\u5207\u6362\u5230\u4e00\u4e2a\u6570\u636e\u5e93<\/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%a8use-database%e5%88%87%e6%8d%a2%e5%88%b0%e4%b8%80%e4%b8%aa%e6%95%b0%e6%8d%ae%e5%ba%93-GlPlgKupyS\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528USE [database]\u5207\u6362\u5230\u4e00\u4e2a\u6570\u636e\u5e93<\/h1>\n<p>\u5728MySQL\u4e2d\uff0c\u4f7f\u7528USE\u8bed\u53e5\u53ef\u4ee5\u5207\u6362\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u5e93\u3002\u5f53\u4f60\u9700\u8981\u5728\u591a\u4e2a\u6570\u636e\u5e93\u4e4b\u95f4\u5207\u6362\u65f6\uff0c\u8fd9\u4e2a\u529f\u80fd\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"%e8%af%ad%e6%b3%95-GlPlgKupyS\">\u8bed\u6cd5<\/h2>\n<p>USE\u8bed\u53e5\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>USE [database];<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c[database]\u662f\u4f60\u8981\u5207\u6362\u5230\u7684\u6570\u636e\u5e93\u7684\u540d\u79f0\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-GlPlgKupyS\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8bbe\u4f60\u6709\u4e24\u4e2a\u6570\u636e\u5e93\uff0c\u4e00\u4e2a\u662f\"customers\"\uff0c\u53e6\u4e00\u4e2a\u662f\"orders\"\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528USE\u8bed\u53e5\u5207\u6362\u5230\"customers\"\u6570\u636e\u5e93\uff1a<\/p>\n<pre><code>USE customers;<\/code><\/pre>\n<p>\u4e00\u65e6\u5207\u6362\u5230\u4e86\"customers\"\u6570\u636e\u5e93\uff0c\u4f60\u53ef\u4ee5\u6267\u884c\u4e0e\u8be5\u6570\u636e\u5e93\u76f8\u5173\u7684\u64cd\u4f5c\uff0c\u6bd4\u5982\u67e5\u8be2\u8868\u3001\u63d2\u5165\u6570\u636e\u7b49\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u5207\u6362\u56de\u9ed8\u8ba4\u7684\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre><code>USE mysql;<\/code><\/pre>\n<p>\u8fd9\u5c06\u5207\u6362\u56deMySQL\u7cfb\u7edf\u6570\u636e\u5e93\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-GlPlgKupyS\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u5728\u4f7f\u7528USE\u8bed\u53e5\u5207\u6362\u6570\u636e\u5e93\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u4f60\u6709\u8db3\u591f\u7684\u6743\u9650\u8bbf\u95ee\u76ee\u6807\u6570\u636e\u5e93\u3002\u5982\u679c\u4f60\u6ca1\u6709\u6743\u9650\uff0c\u5c06\u4f1a\u6536\u5230\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u5207\u6362\u6570\u636e\u5e93\u5e76\u4e0d\u4f1a\u81ea\u52a8\u521b\u5efa\u76ee\u6807\u6570\u636e\u5e93\u3002\u5982\u679c\u4f60\u5c1d\u8bd5\u5207\u6362\u5230\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u6570\u636e\u5e93\uff0c\u5c06\u4f1a\u6536\u5230\u4e00\u4e2a\u9519\u8bef\u6d88\u606f\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-GlPlgKupyS\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528USE\u8bed\u53e5\uff0c\u4f60\u53ef\u4ee5\u5728MySQL\u4e2d\u8f7b\u677e\u5207\u6362\u5230\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u5e93\u3002\u8fd9\u5bf9\u4e8e\u5728\u591a\u4e2a\u6570\u636e\u5e93\u4e4b\u95f4\u8fdb\u884c\u64cd\u4f5c\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5bfb\u627e\u4e00\u4e2a\u53ef\u9760\u7684\u4e91\u8ba1\u7b97\u670d\u52a1\u63d0\u4f9b\u5546\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\u591a\u79cd\u4ea7\u54c1\u3002\u4f60\u53ef\u4ee5\u8bbf\u95ee<a href=\"https:\/\/idc.net\">\u540e\u6d6a\u4e91\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528USE [database]\u5207\u6362\u5230\u4e00\u4e2a\u6570\u636e\u5e93 MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528USE [dat [&hellip;]<\/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-217758","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217758","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=217758"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217758\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}