{"id":96030,"date":"2024-10-20T06:01:19","date_gmt":"2024-10-19T22:01:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96030\/"},"modified":"2024-10-20T06:01:19","modified_gmt":"2024-10-19T22:01:19","slug":"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e9%80%b2%e8%a1%8c%e8%bd%89%e6%8f%9b%e7%9a%84%e7%ab%85%e9%96%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96030\/","title":{"rendered":"Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u9032\u884c\u8f49\u63db\u7684\u7ac5\u9580"},"content":{"rendered":"<h1 id=\"oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e9%80%b2%e8%a1%8c%e8%bd%89%e6%8f%9b%e7%9a%84%e7%ab%85%e9%96%80-ohdPxwcgPn\">Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u9032\u884c\u8f49\u63db\u7684\u7ac5\u9580<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u7ba1\u7406\u8b8a\u5f97\u8d8a\u4f86\u8d8a\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\u4ee5\u652f\u6301\u4e0d\u540c\u8a9e\u8a00\u548c\u5730\u5340\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0eOracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u8f49\u63db\u7684\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u8f49\u63db\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-ohdPxwcgPn\">\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\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u5b57\u7b26\u96c6\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002Oracle\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li>US7ASCII<\/li>\n<li>AL32UTF8<\/li>\n<li>UTF8<\/li>\n<li>ZHS16GBK<\/li>\n<\/ul>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u591a\u8a9e\u8a00\u74b0\u5883\u4e2d\u3002<\/p>\n<h2 id=\"%e5%ad%97%e7%ac%a6%e9%9b%86%e8%bd%89%e6%8f%9b%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-ohdPxwcgPn\">\u5b57\u7b26\u96c6\u8f49\u63db\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u5c07\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u5f9e\u4e00\u7a2e\u8f49\u63db\u70ba\u53e6\u4e00\u7a2e\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li>\u61c9\u7528\u7a0b\u5e8f\u9700\u6c42\uff1a\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u8981\u6c42\u7279\u5b9a\u7684\u5b57\u7b26\u96c6\u3002<\/li>\n<li>\u6578\u64da\u9077\u79fb\uff1a\u5728\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\uff0c\u6e90\u6578\u64da\u5eab\u548c\u76ee\u6a19\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u53ef\u80fd\u4e0d\u540c\u3002<\/li>\n<li>\u6027\u80fd\u512a\u5316\uff1a\u67d0\u4e9b\u5b57\u7b26\u96c6\u53ef\u80fd\u5728\u7279\u5b9a\u7684\u67e5\u8a62\u6216\u64cd\u4f5c\u4e2d\u8868\u73fe\u66f4\u597d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ad%97%e7%ac%a6%e9%9b%86%e8%bd%89%e6%8f%9b%e7%9a%84%e6%ad%a5%e9%a9%9f-ohdPxwcgPn\">\u5b57\u7b26\u96c6\u8f49\u63db\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728Oracle\u6578\u64da\u5eab\u4e2d\u9032\u884c\u5b57\u7b26\u96c6\u8f49\u63db\u7684\u904e\u7a0b\u53ef\u4ee5\u5206\u70ba\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e5%ad%97%e7%ac%a6%e9%9b%86-ohdPxwcgPn\">1. \u78ba\u8a8d\u7576\u524d\u5b57\u7b26\u96c6<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8d\u7576\u524d\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u7372\u53d6\u5b57\u7b26\u96c6\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT value FROM v$nls_parameters WHERE parameter = 'NLS_CHARACTERSET';<\/code><\/pre>\n<h3 id=\"2-%e6%ba%96%e5%82%99%e8%bd%89%e6%8f%9b-ohdPxwcgPn\">2. \u6e96\u5099\u8f49\u63db<\/h3>\n<p>\u5728\u9032\u884c\u5b57\u7b26\u96c6\u8f49\u63db\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u78ba\u5b9a\u76ee\u6a19\u5b57\u7b26\u96c6\u662f\u5426\u652f\u6301\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u5b57\u7b26\u3002<\/p>\n<h3 id=\"3-%e5%9f%b7%e8%a1%8c%e8%bd%89%e6%8f%9b-ohdPxwcgPn\">3. \u57f7\u884c\u8f49\u63db<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u57f7\u884c\u5b57\u7b26\u96c6\u8f49\u63db\uff1a<\/p>\n<pre><code>ALTER DATABASE CHARACTER SET '\u65b0\u5b57\u7b26\u96c6';<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u9019\u500b\u64cd\u4f5c\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u6642\u9593\uff0c\u5177\u9ad4\u53d6\u6c7a\u65bc\u6578\u64da\u5eab\u7684\u5927\u5c0f\u548c\u8907\u96dc\u6027\u3002<\/p>\n<h3 id=\"4-%e9%a9%97%e8%ad%89%e8%bd%89%e6%8f%9b%e7%b5%90%e6%9e%9c-ohdPxwcgPn\">4. \u9a57\u8b49\u8f49\u63db\u7d50\u679c<\/h3>\n<p>\u8f49\u63db\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528\u7b2c\u4e00\u6b65\u4e2d\u7684SQL\u67e5\u8a62\u4f86\u78ba\u8a8d\u5b57\u7b26\u96c6\u5df2\u6210\u529f\u66f4\u6539\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e5%95%8f%e9%a1%8c-ohdPxwcgPn\">\u5e38\u898b\u554f\u984c<\/h2>\n<h3 id=\"1-%e8%bd%89%e6%8f%9b%e9%81%8e%e7%a8%8b%e4%b8%ad%e5%87%ba%e7%8f%be%e9%8c%af%e8%aa%a4%e8%a9%b2%e6%80%8e%e9%ba%bc%e8%be%a6%ef%bc%9f-ohdPxwcgPn\">1. \u8f49\u63db\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\u8a72\u600e\u9ebc\u8fa6\uff1f<\/h3>\n<p>\u5982\u679c\u5728\u8f49\u63db\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u8acb\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\u4ee5\u7372\u53d6\u8a73\u7d30\u4fe1\u606f\u3002\u5e38\u898b\u7684\u554f\u984c\u5305\u62ec\u5b57\u7b26\u4e0d\u517c\u5bb9\u6216\u6578\u64da\u640d\u58de\u3002<\/p>\n<h3 id=\"2-%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e4%b8%8d%e5%85%bc%e5%ae%b9%e7%9a%84%e5%ad%97%e7%ac%a6%ef%bc%9f-ohdPxwcgPn\">2. \u5982\u4f55\u8655\u7406\u4e0d\u517c\u5bb9\u7684\u5b57\u7b26\uff1f<\/h3>\n<p>\u5728\u8f49\u63db\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u627e\u4e0d\u517c\u5bb9\u7684\u5b57\u7b26\uff1a<\/p>\n<pre><code>SELECT * FROM your_table WHERE your_column NOT LIKE '%[\u53ef\u63a5\u53d7\u7684\u5b57\u7b26]%';<\/code><\/pre>\n<p>\u6839\u64da\u67e5\u8a62\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u522a\u9664\u6216\u66ff\u63db\u4e0d\u517c\u5bb9\u7684\u5b57\u7b26\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ohdPxwcgPn\">\u7e3d\u7d50<\/h2>\n<p>Oracle\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u6b63\u78ba\u7684\u6b65\u9a5f\u548c\u6280\u5de7\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u5b57\u7b26\u96c6\u8f49\u63db\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Oracle\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u8f49\u63db\u7684\u7ac5\u9580\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u517c\u5bb9\u6027\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-96030","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96030","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=96030"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96030\/revisions"}],"predecessor-version":[{"id":96031,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96030\/revisions\/96031"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}