{"id":179636,"date":"2024-11-09T03:32:20","date_gmt":"2024-11-08T19:32:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179636\/"},"modified":"2024-11-09T03:32:21","modified_gmt":"2024-11-08T19:32:21","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%e4%b8%ad%e7%8d%b2%e5%8f%96%e4%b8%ad%e9%96%93%e7%9a%84-10-%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-mysql-%e5%8f%96%e4%b8%ad%e9%96%93%e7%9a%84-10-%e5%80%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179636\/","title":{"rendered":"\u5982\u4f55\u5728 MySQL \u4e2d\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff1f (mysql \u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-mysql-%e4%b8%ad%e7%8d%b2%e5%8f%96%e4%b8%ad%e9%96%93%e7%9a%84-10-%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-GcyMXHZzpA\">\u5982\u4f55\u5728 MySQL \u4e2d\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528 MySQL \u6578\u64da\u5eab\u6642\uff0c\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u5eab\u7684\u80fd\u529b\u81f3\u95dc\u91cd\u8981\u3002\u7576\u6211\u5011\u9700\u8981\u5f9e\u4e00\u500b\u5927\u578b\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u7279\u5b9a\u7bc4\u570d\u7684\u6578\u64da\u6642\uff0c\u5c24\u5176\u662f\u4e2d\u9593\u7684\u6578\u64da\uff0c\u9019\u5c31\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 MySQL \u4e2d\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684 SQL \u67e5\u8a62\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%b5%90%e6%a7%8b-GcyMXHZzpA\">\u7406\u89e3 MySQL \u6578\u64da\u5eab\u7684\u7d50\u69cb<\/h2>\n<p>\u5728\u6df1\u5165\u67e5\u8a62\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3 MySQL \u6578\u64da\u5eab\u7684\u57fa\u672c\u7d50\u69cb\u3002MySQL \u662f\u4e00\u500b\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u6578\u64da\u4ee5\u8868\u683c\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u6bcf\u500b\u6578\u64da\u5eab\u53ef\u4ee5\u5305\u542b\u591a\u500b\u8868\uff0c\u800c\u6bcf\u500b\u8868\u53c8\u7531\u591a\u884c\u548c\u591a\u5217\u7d44\u6210\u3002\u7576\u6211\u5011\u63d0\u5230\u201c\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\u201d\u6642\uff0c\u901a\u5e38\u662f\u6307\u5728\u67d0\u7a2e\u6392\u5e8f\u689d\u4ef6\u4e0b\u7684\u6578\u64da\u5eab\u5217\u8868\u3002<\/p>\n<h2 id=\"%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%97%e8%a1%a8-GcyMXHZzpA\">\u7372\u53d6\u6578\u64da\u5eab\u5217\u8868<\/h2>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u7372\u53d6\u7576\u524d MySQL \u4f3a\u670d\u5668\u4e0a\u7684\u6240\u6709\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\u6578\u64da\u5eab\u7684\u540d\u7a31\uff1a<\/p>\n<pre><code>SHOW DATABASES;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u53ef\u7528\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c0d\u9019\u4e9b\u6578\u64da\u5eab\u9032\u884c\u6392\u5e8f\uff0c\u4ee5\u4fbf\u80fd\u5920\u9078\u64c7\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e6%8e%92%e5%ba%8f%e6%95%b8%e6%93%9a%e5%ba%ab%e5%90%8d%e7%a8%b1-GcyMXHZzpA\">\u6392\u5e8f\u6578\u64da\u5eab\u540d\u7a31<\/h2>\n<p>\u5728 MySQL \u4e2d\uff0c\u6578\u64da\u5eab\u540d\u7a31\u7684\u6392\u5e8f\u53ef\u4ee5\u901a\u904e\u4f7f\u7528 <code>ORDER BY<\/code> \u5b50\u53e5\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u7372\u53d6\u6240\u6709\u6578\u64da\u5eab\u4e26\u6309\u540d\u7a31\u6392\u5e8f\u7684\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u6578\u64da\u5eab\u7684\u540d\u7a31\uff0c\u4e26\u6309\u5b57\u6bcd\u9806\u5e8f\u6392\u5e8f\u3002<\/p>\n<h2 id=\"%e7%8d%b2%e5%8f%96%e4%b8%ad%e9%96%93%e7%9a%84-10-%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab-GcyMXHZzpA\">\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab<\/h2>\n<p>\u8981\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>LIMIT<\/code> \u548c <code>OFFSET<\/code> \u5b50\u53e5\u3002\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5f9e\u7b2c 6 \u500b\u6578\u64da\u5eab\u958b\u59cb\u7372\u53d6 10 \u500b\u6578\u64da\u5eab\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA ORDER BY SCHEMA_NAME LIMIT 10 OFFSET 5;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7b2c 6 \u5230\u7b2c 15 \u500b\u6578\u64da\u5eab\u7684\u540d\u7a31\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>OFFSET<\/code> \u7684\u503c\u662f\u5f9e 0 \u958b\u59cb\u8a08\u7b97\u7684\uff0c\u56e0\u6b64\u5982\u679c\u6211\u5011\u60f3\u8981\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff0c\u61c9\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574 <code>OFFSET<\/code> \u7684\u503c\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b-GcyMXHZzpA\">\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u7684\u6578\u64da\u5eab\u540d\u7a31\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>db_alpha<\/li>\n<li>db_beta<\/li>\n<li>db_gamma<\/li>\n<li>db_delta<\/li>\n<li>db_epsilon<\/li>\n<li>db_zeta<\/li>\n<li>db_eta<\/li>\n<li>db_theta<\/li>\n<li>db_iota<\/li>\n<li>db_kappa<\/li>\n<li>db_lambda<\/li>\n<li>db_mu<\/li>\n<li>db_nu<\/li>\n<li>db_xi<\/li>\n<li>db_omicron<\/li>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\uff0c\u5c07\u6703\u7372\u5f97\u4ee5\u4e0b\u7d50\u679c\uff1a<\/p>\n<ul>\n<li>db_zeta<\/li>\n<li>db_eta<\/li>\n<li>db_theta<\/li>\n<li>db_iota<\/li>\n<li>db_kappa<\/li>\n<li>db_lambda<\/li>\n<li>db_mu<\/li>\n<li>db_nu<\/li>\n<li>db_xi<\/li>\n<li>db_omicron<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GcyMXHZzpA\">\u7e3d\u7d50<\/h2>\n<p>\u5728 MySQL \u4e2d\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u53ea\u9700\u4f7f\u7528\u9069\u7576\u7684 SQL \u67e5\u8a62\u5373\u53ef\u3002\u901a\u904e\u4f7f\u7528 <code>SHOW DATABASES<\/code>\u3001<code>ORDER BY<\/code>\u3001<code>LIMIT<\/code> \u548c <code>OFFSET<\/code>\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5f9e\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u9019\u4e9b\u6280\u8853\u5c0d\u65bc\u7ba1\u7406\u5927\u578b\u6578\u64da\u5eab\u7279\u5225\u6709\u7528\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u5b9a\u4f4d\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u4f01\u696d\u9084\u662f\u5927\u578b\u4f01\u696d\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 MySQL \u4e2d\u7372\u53d6\u4e2d\u9593\u7684 10 \u500b\u6578\u64da\u5eab\uff0c\u4f7f\u7528 LIMIT \u548c OFFSET \u9032\u884c\u6709\u6548\u7684\u6578\u64da\u67e5\u8a62\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-179636","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179636","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=179636"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179636\/revisions"}],"predecessor-version":[{"id":179637,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179636\/revisions\/179637"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179636"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179636"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179636"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}