{"id":195745,"date":"2024-11-13T17:33:19","date_gmt":"2024-11-13T09:33:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195745\/"},"modified":"2024-11-13T17:33:21","modified_gmt":"2024-11-13T09:33:21","slug":"%e5%9c%a8oracle-%e8%99%95%e7%90%86%e6%97%a5%e6%9c%9f%e4%b8%ad%e5%b0%8d%e6%97%a5%e6%9c%9f%e8%aa%9e%e8%a8%80%e7%9a%84%e8%a8%ad%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195745\/","title":{"rendered":"\u5728Oracle \u8655\u7406\u65e5\u671f\u4e2d\u5c0d\u65e5\u671f\u8a9e\u8a00\u7684\u8a2d\u7f6e"},"content":{"rendered":"<h1 id=\"%e5%9c%a8oracle%e8%99%95%e7%90%86%e6%97%a5%e6%9c%9f%e4%b8%ad%e5%b0%8d%e6%97%a5%e6%9c%9f%e8%aa%9e%e8%a8%80%e7%9a%84%e8%a8%ad%e7%bd%ae-jCFTYnLVkA\">\u5728Oracle\u8655\u7406\u65e5\u671f\u4e2d\u5c0d\u65e5\u671f\u8a9e\u8a00\u7684\u8a2d\u7f6e<\/h1>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u591a\u8a9e\u8a00\u74b0\u5883\u4e2d\u3002\u6b63\u78ba\u7684\u65e5\u671f\u8a9e\u8a00\u8a2d\u7f6e\u4e0d\u50c5\u5f71\u97ff\u6578\u64da\u7684\u986f\u793a\u683c\u5f0f\uff0c\u9084\u6703\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b58\u5132\u548c\u67e5\u8a62\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Oracle\u4e2d\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"oracle%e4%b8%ad%e7%9a%84%e6%97%a5%e6%9c%9f%e9%a1%9e%e5%9e%8b-jCFTYnLVkA\">Oracle\u4e2d\u7684\u65e5\u671f\u985e\u578b<\/h2>\n<p>Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u65e5\u671f\u985e\u578b\uff0c\u6700\u5e38\u7528\u7684\u662fDATE\u548cTIMESTAMP\u3002DATE\u985e\u578b\u5305\u542b\u4e86\u5e74\u3001\u6708\u3001\u65e5\u3001\u6642\u3001\u5206\u3001\u79d2\uff0c\u800cTIMESTAMP\u5247\u5728\u6b64\u57fa\u790e\u4e0a\u589e\u52a0\u4e86\u5c0f\u6578\u79d2\u7684\u7cbe\u5ea6\u3002\u9019\u4e9b\u65e5\u671f\u985e\u578b\u7684\u6b63\u78ba\u4f7f\u7528\u5c0d\u65bc\u6578\u64da\u7684\u6e96\u78ba\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e6%97%a5%e6%9c%9f%e8%aa%9e%e8%a8%80%e7%9a%84%e8%a8%ad%e7%bd%ae-jCFTYnLVkA\">\u65e5\u671f\u8a9e\u8a00\u7684\u8a2d\u7f6e<\/h2>\n<p>\u5728Oracle\u4e2d\uff0c\u65e5\u671f\u8a9e\u8a00\u7684\u8a2d\u7f6e\u4e3b\u8981\u901a\u904eNLS\uff08National Language Support\uff09\u53c3\u6578\u4f86\u5be6\u73fe\u3002\u9019\u4e9b\u53c3\u6578\u53ef\u4ee5\u5f71\u97ff\u65e5\u671f\u7684\u986f\u793a\u683c\u5f0f\u3001\u8a9e\u8a00\u548c\u5176\u4ed6\u672c\u5730\u5316\u8a2d\u7f6e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684NLS\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><code>NLS_DATE_LANGUAGE<\/code>\uff1a\u8a2d\u7f6e\u65e5\u671f\u7684\u8a9e\u8a00\u3002<\/li>\n<li><code>NLS_DATE_FORMAT<\/code>\uff1a\u8a2d\u7f6e\u65e5\u671f\u7684\u986f\u793a\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e8%a8%ad%e7%bd%aenls_date_language-jCFTYnLVkA\">\u8a2d\u7f6eNLS_DATE_LANGUAGE<\/h3>\n<p>\u8981\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER SESSION SET NLS_DATE_LANGUAGE = 'TRADITIONAL CHINESE';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u7576\u524d\u6703\u8a71\u7684\u65e5\u671f\u8a9e\u8a00\u8a2d\u7f6e\u70ba\u7e41\u9ad4\u4e2d\u6587\u3002\u9019\u610f\u5473\u8457\u5728\u67e5\u8a62\u548c\u986f\u793a\u65e5\u671f\u6642\uff0cOracle\u5c07\u4f7f\u7528\u7e41\u9ad4\u4e2d\u6587\u7684\u683c\u5f0f\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%aenls_date_format-jCFTYnLVkA\">\u8a2d\u7f6eNLS_DATE_FORMAT<\/h3>\n<p>\u9664\u4e86\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\u5916\uff0c\u9084\u53ef\u4ee5\u8a2d\u7f6e\u65e5\u671f\u7684\u986f\u793a\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u5e0c\u671b\u5c07\u65e5\u671f\u683c\u5f0f\u8a2d\u7f6e\u70ba\u201cYYYY-MM-DD\u201d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD';<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u6240\u6709\u7684\u65e5\u671f\u8f38\u51fa\u90fd\u5c07\u9075\u5faa\u9019\u4e00\u683c\u5f0f\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%97%a5%e6%9c%9f%e7%9a%84%e7%a4%ba%e4%be%8b-jCFTYnLVkA\">\u67e5\u8a62\u65e5\u671f\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u67e5\u8a62\u7576\u524d\u65e5\u671f\u7684\u793a\u4f8b\uff0c\u4e26\u986f\u793a\u5176\u683c\u5f0f\u548c\u8a9e\u8a00\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SELECT SYSDATE AS CURRENT_DATE FROM DUAL;<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u5f8c\uff0c\u5c07\u8fd4\u56de\u7576\u524d\u7684\u7cfb\u7d71\u65e5\u671f\uff0c\u4e26\u6839\u64da\u8a2d\u7f6e\u7684NLS_DATE_LANGUAGE\u548cNLS_DATE_FORMAT\u9032\u884c\u986f\u793a\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jCFTYnLVkA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\u548c\u683c\u5f0f\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u4e0d\u540c\u7684\u6703\u8a71\u53ef\u80fd\u6709\u4e0d\u540c\u7684NLS\u8a2d\u7f6e\uff0c\u56e0\u6b64\u5728\u9032\u884c\u67e5\u8a62\u6642\uff0c\u61c9\u78ba\u8a8d\u7576\u524d\u6703\u8a71\u7684\u8a2d\u7f6e\u3002<\/li>\n<li>\u5728\u9032\u884c\u6578\u64da\u63d2\u5165\u6216\u66f4\u65b0\u6642\uff0c\u61c9\u4f7f\u7528\u6a19\u6e96\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4ee5\u907f\u514d\u56e0\u683c\u5f0f\u4e0d\u6b63\u78ba\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u5728\u591a\u8a9e\u8a00\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528ISO\u6a19\u6e96\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4ee5\u63d0\u9ad8\u517c\u5bb9\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jCFTYnLVkA\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u4e2d\u6b63\u78ba\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\u548c\u683c\u5f0f\u5c0d\u65bc\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ef\u8b80\u6027\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528NLS_DATE_LANGUAGE\u548cNLS_DATE_FORMAT\u53c3\u6578\uff0c\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u63a7\u5236\u65e5\u671f\u7684\u986f\u793a\u65b9\u5f0f\uff0c\u6eff\u8db3\u4e0d\u540c\u8a9e\u8a00\u74b0\u5883\u7684\u9700\u6c42\u3002\u4e86\u89e3\u9019\u4e9b\u8a2d\u7f6e\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u60a8\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Oracle\u4e2d\u8a2d\u7f6e\u65e5\u671f\u8a9e\u8a00\uff0c\u4ee5\u78ba\u4fdd\u65e5\u671f\u683c\u5f0f\u548c\u986f\u793a\u7b26\u5408\u60a8\u7684\u9700\u6c42\u548c\u5730\u5340\u8a2d\u5b9a\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-195745","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195745","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=195745"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195745\/revisions"}],"predecessor-version":[{"id":195746,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195745\/revisions\/195746"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}