{"id":96028,"date":"2024-10-20T06:00:20","date_gmt":"2024-10-19T22:00:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96028\/"},"modified":"2024-10-20T06:00:21","modified_gmt":"2024-10-19T22:00:21","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%a1%88%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96028\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u67e5\u8a62\u65b9\u6848\u4ecb\u7d39"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%a1%88%e4%bb%8b%e7%b4%b9-OcAeAoxexd\">Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u67e5\u8a62\u65b9\u6848\u4ecb\u7d39<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u7ba1\u7406\u74b0\u5883\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b57\u7b26\u96c6\u7684\u652f\u6301\u3002\u672c\u6587\u5c07\u4ecb\u7d39Oracle\u6578\u64da\u5eab\u4e2d\u5b57\u7b26\u96c6\u7684\u67e5\u8a62\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406\u5b57\u7b26\u96c6\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%97%e7%ac%a6%e9%9b%86%ef%bc%9f-OcAeAoxexd\">\u4ec0\u9ebc\u662f\u5b57\u7b26\u96c6\uff1f<\/h2>\n<p>\u5b57\u7b26\u96c6\u662f\u6307\u4e00\u7d44\u5b57\u7b26\u7684\u96c6\u5408\uff0c\u9019\u4e9b\u5b57\u7b26\u53ef\u4ee5\u7528\u4f86\u8868\u793a\u6587\u672c\u6578\u64da\u3002\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5f71\u97ff\u5230\u6578\u64da\u7684\u5b58\u5132\u3001\u6aa2\u7d22\u548c\u986f\u793a\u3002Oracle\u6578\u64da\u5eab\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>AL32UTF8\uff1aUnicode\u5b57\u7b26\u96c6\uff0c\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u3002<\/li>\n<li>UTF8\uff1a\u820a\u7248\u7684Unicode\u5b57\u7b26\u96c6\uff0c\u652f\u6301\u7684\u5b57\u7b26\u7bc4\u570d\u8f03\u5c0f\u3002<\/li>\n<li>US7ASCII\uff1a\u7f8e\u570b\u6a19\u6e96ASCII\u5b57\u7b26\u96c6\u3002<\/li>\n<li>ZHS16GBK\uff1a\u7c21\u9ad4\u4e2d\u6587\u5b57\u7b26\u96c6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e6%96%b9%e6%b3%95-OcAeAoxexd\">\u67e5\u8a62Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u67e5\u8a62\u7576\u524d\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0bSQL\u8a9e\u53e5\u5be6\u73fe\uff1a<\/p>\n<pre><code>SELECT value FROM v$nls_parameters WHERE parameter = 'NLS_CHARACTERSET';<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8fd4\u56de\u7684\u503c\u662fAL32UTF8\uff0c\u5247\u8868\u793a\u6578\u64da\u5eab\u4f7f\u7528\u7684\u662fUnicode\u5b57\u7b26\u96c6\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84nls%e5%8f%83%e6%95%b8-OcAeAoxexd\">\u67e5\u8a62\u6578\u64da\u5eab\u7684NLS\u53c3\u6578<\/h3>\n<p>\u9664\u4e86\u5b57\u7b26\u96c6\uff0cOracle\u6578\u64da\u5eab\u9084\u6709\u5176\u4ed6\u8207\u8a9e\u8a00\u548c\u5b57\u7b26\u76f8\u95dc\u7684NLS\uff08National Language Support\uff09\u53c3\u6578\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u6240\u6709NLS\u53c3\u6578\u7684\u503c\uff1a<\/p>\n<pre><code>SELECT * FROM v$nls_parameters;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u5305\u542b\u6240\u6709NLS\u53c3\u6578\u53ca\u5176\u7576\u524d\u503c\u7684\u5217\u8868\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u6578\u64da\u5eab\u7684\u8a9e\u8a00\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%a9%a2%e7%94%a8%e6%88%b6%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-OcAeAoxexd\">\u67e5\u8a62\u7528\u6236\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u9664\u4e86\u67e5\u8a62\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u5916\uff0c\u7528\u6236\u4e5f\u53ef\u4ee5\u67e5\u8a62\u7576\u524d\u6703\u8a71\u7684\u5b57\u7b26\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT userenv('LANGUAGE') FROM dual;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7528\u6236\u6703\u8a71\u7684\u8a9e\u8a00\u8a2d\u7f6e\uff0c\u9019\u5c0d\u65bc\u591a\u8a9e\u8a00\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e8%bd%89%e6%8f%9b-OcAeAoxexd\">\u5b57\u7b26\u96c6\u7684\u8f49\u63db<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u5b57\u7b26\u96c6\u8f49\u63db\u5230\u53e6\u4e00\u500b\u5b57\u7b26\u96c6\u3002Oracle\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u652f\u6301\u5b57\u7b26\u96c6\u7684\u8f49\u63db\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>CONVERT(string, to_char_set, from_char_set);<\/code><\/pre>\n<p>\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u5c07\u6307\u5b9a\u7684\u5b57\u7b26\u4e32\u5f9e\u4e00\u500b\u5b57\u7b26\u96c6\u8f49\u63db\u5230\u53e6\u4e00\u500b\u5b57\u7b26\u96c6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SELECT CONVERT('\u4f60\u597d', 'US7ASCII', 'ZHS16GBK') FROM dual;<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8f49\u63db\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u51fa\u73fe\u5b57\u7b26\u4e1f\u5931\u7684\u60c5\u6cc1\uff0c\u7279\u5225\u662f\u7576\u76ee\u6a19\u5b57\u7b26\u96c6\u4e0d\u652f\u6301\u67d0\u4e9b\u5b57\u7b26\u6642\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OcAeAoxexd\">\u7e3d\u7d50<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u548c\u7ba1\u7406\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u67e5\u8a62\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u548cNLS\u53c3\u6578\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u5176\u6578\u64da\u74b0\u5883\u3002\u6b64\u5916\uff0cOracle\u63d0\u4f9b\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u529f\u80fd\u4e5f\u70ba\u591a\u8a9e\u8a00\u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u63d0\u4f9b\u4e86\u4fbf\u5229\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u67e5\u8a62\u65b9\u6848\uff0c\u638c\u63e1\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u512a\u5316\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u96c6\u914d\u7f6e\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-96028","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96028","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=96028"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96028\/revisions"}],"predecessor-version":[{"id":96029,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96028\/revisions\/96029"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96028"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96028"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96028"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}