{"id":173669,"date":"2024-11-07T19:57:19","date_gmt":"2024-11-07T11:57:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173669\/"},"modified":"2024-11-07T19:57:20","modified_gmt":"2024-11-07T11:57:20","slug":"%e5%a6%82%e4%bd%95%e5%b0%87%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%a4%a7%e5%af%ab%e5%ad%97%e6%af%8d%e8%bd%89%e6%8f%9b%e7%82%ba%e5%b0%8f%e5%af%ab%e5%ad%97%e6%af%8d-%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173669\/","title":{"rendered":"\u5982\u4f55\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd (\u6578\u64da\u5eab\u600e\u9ebc\u8b93\u5927\u5beb\u8b8a\u5c0f\u5beb)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%b0%87%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%a4%a7%e5%af%ab%e5%ad%97%e6%af%8d%e8%bd%89%e6%8f%9b%e7%82%ba%e5%b0%8f%e5%af%ab%e5%ad%97%e6%af%8d-VAgtvKPrUq\">\u5982\u4f55\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u7684\u683c\u5f0f\u5316\u548c\u6a19\u6e96\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u7528\u6236\u8f38\u5165\u6216\u5f9e\u5916\u90e8\u4f86\u6e90\u5c0e\u5165\u6578\u64da\u6642\u3002\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\u7684\u9700\u6c42\u7d93\u5e38\u51fa\u73fe\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u6bd4\u8f03\u3001\u67e5\u8a62\u6216\u6578\u64da\u6e05\u7406\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u4e2d\u5c07\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%b0%87%e5%a4%a7%e5%af%ab%e5%ad%97%e6%af%8d%e8%bd%89%e6%8f%9b%e7%82%ba%e5%b0%8f%e5%af%ab%e5%ad%97%e6%af%8d-VAgtvKPrUq\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5c07\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd<\/h2>\n<p>\u5c07\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u9032\u884c\u67e5\u8a62\u6642\uff0c\u5927\u5c0f\u5beb\u4e0d\u4e00\u81f4\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u7d50\u679c\u4e0d\u6e96\u78ba\u3002<\/li>\n<li><strong>\u7528\u6236\u9ad4\u9a57\uff1a<\/strong>\u5728\u986f\u793a\u7528\u6236\u8cc7\u6599\u6642\uff0c\u7d71\u4e00\u7684\u683c\u5f0f\u80fd\u63d0\u5347\u7528\u6236\u7684\u95b1\u8b80\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5728\u6578\u64da\u9077\u79fb\u6216\u6574\u5408\u904e\u7a0b\u4e2d\uff0c\u6e05\u7406\u4e0d\u4e00\u81f4\u7684\u6578\u64da\u683c\u5f0f\u662f\u5fc5\u8981\u7684\u6b65\u9a5f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e4%b8%8d%e5%90%8c%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%bd%89%e6%8f%9b%e5%a4%a7%e5%af%ab%e5%ad%97%e6%af%8d%e7%82%ba%e5%b0%8f%e5%af%ab%e5%ad%97%e6%af%8d%e7%9a%84%e6%96%b9%e6%b3%95-VAgtvKPrUq\">\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e2d\u8f49\u63db\u5927\u5beb\u5b57\u6bcd\u70ba\u5c0f\u5beb\u5b57\u6bcd\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-mysql-VAgtvKPrUq\">1. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5167\u5efa\u7684 <code>LOWER()<\/code> \u51fd\u6578\u4f86\u5c07\u5b57\u7b26\u4e32\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\uff1a<\/p>\n<pre><code>SELECT LOWER(column_name) AS lowercase_column\nFROM table_name;<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u6574\u500b\u8868\u4e2d\u7684\u67d0\u4e00\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column_name = LOWER(column_name);<\/code><\/pre>\n<h3 id=\"2-postgresql-VAgtvKPrUq\">2. PostgreSQL<\/h3>\n<p>PostgreSQL\u540c\u6a23\u63d0\u4f9b\u4e86 <code>LOWER()<\/code> \u51fd\u6578\uff0c\u4f7f\u7528\u65b9\u6cd5\u8207MySQL\u985e\u4f3c\uff1a<\/p>\n<pre><code>SELECT LOWER(column_name) AS lowercase_column\nFROM table_name;<\/code><\/pre>\n<p>\u66f4\u65b0\u6574\u500b\u5217\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column_name = LOWER(column_name);<\/code><\/pre>\n<h3 id=\"3-sql-server-VAgtvKPrUq\">3. SQL Server<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>LOWER()<\/code> \u51fd\u6578\u4f86\u5be6\u73fe\u76f8\u540c\u7684\u529f\u80fd\uff1a<\/p>\n<pre><code>SELECT LOWER(column_name) AS lowercase_column\nFROM table_name;<\/code><\/pre>\n<p>\u66f4\u65b0\u6574\u500b\u5217\u7684\u8a9e\u53e5\u70ba\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column_name = LOWER(column_name);<\/code><\/pre>\n<h3 id=\"4-oracle-VAgtvKPrUq\">4. Oracle<\/h3>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u4f7f\u7528 <code>LOWER()<\/code> \u51fd\u6578\u7684\u65b9\u5f0f\u4e5f\u76f8\u4f3c\uff1a<\/p>\n<pre><code>SELECT LOWER(column_name) AS lowercase_column\nFROM table_name;<\/code><\/pre>\n<p>\u66f4\u65b0\u6574\u500b\u5217\u7684\u8a9e\u53e5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UPDATE table_name\nSET column_name = LOWER(column_name);<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-VAgtvKPrUq\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u5927\u5beb\u8f49\u5c0f\u5beb\u7684\u64cd\u4f5c\u6642\uff0c\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5927\u5c0f\u5beb\u654f\u611f\u7684\u6578\u64da\u5eab\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u7d50\u679c\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\u61c9\u8003\u616e\u9019\u4e00\u9ede\u3002<\/li>\n<li>\u5728\u9032\u884c\u6279\u91cf\u66f4\u65b0\u6642\uff0c\u5efa\u8b70\u5206\u6279\u57f7\u884c\uff0c\u4ee5\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VAgtvKPrUq\">\u7e3d\u7d50<\/h2>\n<p>\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u6e05\u7406\u9084\u662f\u6578\u64da\u67e5\u8a62\u4e2d\uff0c\u9019\u4e00\u64cd\u4f5c\u90fd\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8b80\u6027\u3002\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u985e\u4f3c\u7684\u51fd\u6578\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u8a9e\u53e5\u9032\u884c\u64cd\u4f5c\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u5c07\u5927\u5beb\u5b57\u6bcd\u8f49\u63db\u70ba\u5c0f\u5beb\u5b57\u6bcd\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\uff0c\u63d0\u5347\u67e5\u8a62\u6548\u7387\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-173669","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173669","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=173669"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173669\/revisions"}],"predecessor-version":[{"id":173670,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173669\/revisions\/173670"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}