{"id":217757,"date":"2023-12-22T23:45:21","date_gmt":"2023-12-22T15:45:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/217757\/"},"modified":"2023-12-22T23:45:21","modified_gmt":"2023-12-22T15:45:21","slug":"mysql%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8c%ef%bc%9a%e4%bd%bf%e7%94%a8show-databases%e5%88%97%e5%87%ba%e6%89%80%e6%9c%89%e5%8f%af%e7%94%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/217757\/","title":{"rendered":"MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528SHOW DATABASES\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\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%a8show-databases%e5%88%97%e5%87%ba%e6%89%80%e6%9c%89%e5%8f%af%e7%94%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93-zhZqsMDsSI\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528SHOW DATABASES\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\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%a8show-databases%e5%88%97%e5%87%ba%e6%89%80%e6%9c%89%e5%8f%af%e7%94%a8%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ba%93-zhZqsMDsSI\">MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528SHOW DATABASES\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\u6570\u636e\u5e93<\/h1>\n<p>MySQL\u662f\u4e00\u79cd\u6d41\u884c\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u7528\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u548c\u5176\u4ed6\u6570\u636e\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SHOW DATABASES\u8bed\u53e5\u6765\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h2 id=\"show-databases%e8%af%ad%e6%b3%95-zhZqsMDsSI\">SHOW DATABASES\u8bed\u6cd5<\/h2>\n<p>SHOW DATABASES\u8bed\u53e5\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<p>\u6267\u884c\u8be5\u8bed\u53e5\u540e\uff0cMySQL\u5c06\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u96c6\uff0c\u5176\u4e2d\u5305\u542b\u6240\u6709\u53ef\u7528\u7684\u6570\u636e\u5e93\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-zhZqsMDsSI\">\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528SHOW DATABASES\u8bed\u53e5\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<p>\u6267\u884c\u4e0a\u8ff0\u8bed\u53e5\u540e\uff0cMySQL\u5c06\u8fd4\u56de\u7c7b\u4f3c\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/p>\n<pre><code>+--------------------+\n| Database           |\n+--------------------+\n| information_schema |\n| mysql              |\n| performance_schema |\n| sys                |\n+--------------------+<\/code><\/pre>\n<p>\u4e0a\u8ff0\u7ed3\u679c\u8868\u793a\u5f53\u524dMySQL\u670d\u52a1\u5668\u4e0a\u5b58\u5728\u56db\u4e2a\u6570\u636e\u5e93\uff1ainformation_schema\u3001mysql\u3001performance_schema\u548csys\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9-zhZqsMDsSI\">\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p>\u5728\u4f7f\u7528SHOW DATABASES\u8bed\u53e5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u53ea\u6709\u5177\u6709\u8db3\u591f\u6743\u9650\u7684\u7528\u6237\u624d\u80fd\u6267\u884cSHOW DATABASES\u8bed\u53e5\u3002<\/li>\n<li>SHOW DATABASES\u8bed\u53e5\u4e0d\u4f1a\u663e\u793a\u88ab\u9690\u85cf\u7684\u6570\u636e\u5e93\u3002<\/li>\n<li>SHOW DATABASES\u8bed\u53e5\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u4e2d\u53ea\u5305\u542b\u6570\u636e\u5e93\u7684\u540d\u79f0\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%bb%93%e8%ae%ba-zhZqsMDsSI\">\u7ed3\u8bba<\/h2>\n<p>\u4f7f\u7528SHOW DATABASES\u8bed\u53e5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5217\u51faMySQL\u670d\u52a1\u5668\u4e0a\u6240\u6709\u53ef\u7528\u7684\u6570\u636e\u5e93\u3002\u8fd9\u5bf9\u4e8e\u7ba1\u7406\u548c\u7ef4\u62a4\u6570\u636e\u5e93\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h2 id=\"summary-section-zhZqsMDsSI\">Summary Section<\/h2>\n<p>\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91\uff0c\u63d0\u4f9b\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u7a33\u5b9a\u7684\u9999\u6e2f\u670d\u52a1\u5668\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u540e\u6d6a\u4e91\u7684\u9999\u6e2f\u670d\u52a1\u5668\u4ea7\u54c1\u4fe1\u606f\u3002\u6211\u4eec\u8fd8\u63d0\u4f9b10\u5143\u9999\u6e2f\u670d\u52a1\u5668\u548c\u9999\u6e2f\u670d\u52a1\u5668\u514d\u8d39\u8bd5\u7528\u7684\u4fc3\u9500\u6d3b\u52a8\uff0c\u8be6\u60c5\u8bf7\u8bbf\u95ee\u5b98\u7f51\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528SHOW DATABASES\u5217\u51fa\u6240\u6709\u53ef\u7528\u7684\u6570\u636e\u5e93 MySQL\u4f7f\u7528\u624b\u518c\uff1a\u4f7f\u7528SHOW D [&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-217757","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217757","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=217757"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/217757\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=217757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=217757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=217757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}