{"id":60469,"date":"2024-10-13T03:07:16","date_gmt":"2024-10-12T19:07:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60469\/"},"modified":"2024-10-13T03:07:17","modified_gmt":"2024-10-12T19:07:17","slug":"db2%e4%bb%a3%e7%a2%bc%e9%a0%81%e8%a8%ad%e7%bd%ae%e4%ba%82%e7%a2%bc%e7%9a%84%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60469\/","title":{"rendered":"DB2\u4ee3\u78bc\u9801\u8a2d\u7f6e\u4e82\u78bc\u7684\u8655\u7406\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"db2%e4%bb%a3%e7%a2%bc%e9%a0%81%e8%a8%ad%e7%bd%ae%e4%ba%82%e7%a2%bc%e7%9a%84%e8%99%95%e7%90%86%e6%96%b9%e6%b3%95-qCHvPNlIeV\">DB2\u4ee3\u78bc\u9801\u8a2d\u7f6e\u4e82\u78bc\u7684\u8655\u7406\u65b9\u6cd5<\/h1>\n<p>\u5728\u4f7f\u7528IBM DB2\u6578\u64da\u5eab\u6642\uff0c\u4ee3\u78bc\u9801\u7684\u8a2d\u7f6e\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u986f\u793a\u548c\u5b58\u5132\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u4ee3\u78bc\u9801\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u986f\u793a\u70ba\u4e82\u78bc\uff0c\u5f71\u97ff\u6578\u64da\u7684\u53ef\u8b80\u6027\u548c\u61c9\u7528\u7684\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u4ee3\u78bc\u9801\u8a2d\u7f6e\u7684\u57fa\u672c\u6982\u5ff5\u3001\u5e38\u898b\u7684\u4e82\u78bc\u554f\u984c\u53ca\u5176\u8655\u7406\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdb2%e4%bb%a3%e7%a2%bc%e9%a0%81%ef%bc%9f-qCHvPNlIeV\">\u4ec0\u9ebc\u662fDB2\u4ee3\u78bc\u9801\uff1f<\/h2>\n<p>\u4ee3\u78bc\u9801\u662f\u6307\u4e00\u7d44\u5b57\u7b26\u96c6\u7684\u7de8\u78bc\u898f\u5247\uff0cDB2\u4f7f\u7528\u4ee3\u78bc\u9801\u4f86\u5b9a\u7fa9\u5982\u4f55\u5c07\u5b57\u7b26\u8f49\u63db\u70ba\u5b57\u7bc0\u3002\u6bcf\u500b\u4ee3\u78bc\u9801\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5b57\u7b26\u96c6\uff0cDB2\u652f\u6301\u591a\u7a2e\u4ee3\u78bc\u9801\uff0c\u5305\u62ecUTF-8\u3001ISO8859-1\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u4ee3\u78bc\u9801\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e4%ba%82%e7%a2%bc%e5%95%8f%e9%a1%8c-qCHvPNlIeV\">\u5e38\u898b\u7684\u4e82\u78bc\u554f\u984c<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u4e82\u78bc\u554f\u984c\u901a\u5e38\u51fa\u73fe\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5c0e\u5165\u6642\u7684\u4ee3\u78bc\u9801\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u5f9e\u5176\u4ed6\u7cfb\u7d71\u5c0e\u5165\u6578\u64da\u6642\uff0c\u5982\u679c\u6e90\u7cfb\u7d71\u548cDB2\u7684\u4ee3\u78bc\u9801\u4e0d\u4e00\u81f4\uff0c\u5c07\u5c0e\u81f4\u6578\u64da\u986f\u793a\u70ba\u4e82\u78bc\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff1a<\/strong>\u5982\u679c\u61c9\u7528\u7a0b\u5e8f\u7684\u5b57\u7b26\u96c6\u8a2d\u7f6e\u8207DB2\u7684\u4ee3\u78bc\u9801\u4e0d\u4e00\u81f4\uff0c\u5247\u5728\u986f\u793a\u6578\u64da\u6642\u53ef\u80fd\u6703\u51fa\u73fe\u4e82\u78bc\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u7684\u9ed8\u8a8d\u4ee3\u78bc\u9801\u8a2d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u5728\u5275\u5efa\u6578\u64da\u5eab\u6642\uff0c\u5982\u679c\u672a\u6b63\u78ba\u8a2d\u7f6e\u9ed8\u8a8d\u4ee3\u78bc\u9801\uff0c\u5c07\u5f71\u97ff\u6574\u500b\u6578\u64da\u5eab\u7684\u5b57\u7b26\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%99%95%e7%90%86%e4%ba%82%e7%a2%bc%e7%9a%84%e6%ad%a5%e9%a9%9f-qCHvPNlIeV\">\u8655\u7406\u4e82\u78bc\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e7%95%b6%e5%89%8d%e4%bb%a3%e7%a2%bc%e9%a0%81%e8%a8%ad%e7%bd%ae-qCHvPNlIeV\">1. \u78ba\u8a8d\u7576\u524d\u4ee3\u78bc\u9801\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8dDB2\u7576\u524d\u7684\u4ee3\u78bc\u9801\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\uff1a<\/p>\n<pre><code>SELECT * FROM SYSIBM.SYSDATABASE WHERE NAME = 'YOUR_DATABASE_NAME';<\/code><\/pre>\n<p>\u67e5\u8a62\u7d50\u679c\u4e2d\u7684CODEPAGE\u5b57\u6bb5\u5c07\u986f\u793a\u7576\u524d\u7684\u4ee3\u78bc\u9801\u8a2d\u7f6e\u3002<\/p>\n<h3 id=\"2-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e6%ba%90%e7%9a%84%e4%bb%a3%e7%a2%bc%e9%a0%81-qCHvPNlIeV\">2. \u78ba\u8a8d\u6578\u64da\u6e90\u7684\u4ee3\u78bc\u9801<\/h3>\n<p>\u5728\u5c0e\u5165\u6578\u64da\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u4e86\u89e3\u6578\u64da\u6e90\u7684\u4ee3\u78bc\u9801\u3002\u9019\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u6578\u64da\u6e90\u7684\u6587\u6a94\u6216\u4f7f\u7528\u76f8\u61c9\u7684\u5de5\u5177\u4f86\u7372\u53d6\u3002<\/p>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e8%a8%ad%e7%bd%ae%e4%bb%a3%e7%a2%bc%e9%a0%81-qCHvPNlIeV\">3. \u91cd\u65b0\u8a2d\u7f6e\u4ee3\u78bc\u9801<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u4ee3\u78bc\u9801\u4e0d\u5339\u914d\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u91cd\u65b0\u8a2d\u7f6eDB2\u7684\u4ee3\u78bc\u9801\u3002\u9019\u901a\u5e38\u9700\u8981\u5728\u5275\u5efa\u6578\u64da\u5eab\u6642\u6307\u5b9a\u6b63\u78ba\u7684\u4ee3\u78bc\u9801\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE DATABASE YOUR_DATABASE_NAME USING CODESET UTF-8;<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u66f4\u6539\u4ee3\u78bc\u9801\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\uff0c\u56e0\u6b64\u5728\u9032\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u8acb\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u3002<\/p>\n<h3 id=\"4-%e6%95%b8%e6%93%9a%e8%bd%89%e6%8f%9b-qCHvPNlIeV\">4. \u6578\u64da\u8f49\u63db<\/h3>\n<p>\u5982\u679c\u6578\u64da\u5df2\u7d93\u5b58\u5728\u4e26\u4e14\u51fa\u73fe\u4e82\u78bc\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9032\u884c\u6578\u64da\u8f49\u63db\u3002\u53ef\u4ee5\u4f7f\u7528DB2\u7684\u5167\u5efa\u51fd\u6578\u4f86\u8f49\u63db\u5b57\u7b26\u96c6\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>UPDATE YOUR_TABLE SET YOUR_COLUMN = CAST(YOUR_COLUMN AS VARCHAR(100) CCSID 1208);<\/code><\/pre>\n<p>\u9019\u5c07\u628a\u6307\u5b9a\u5217\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u70baUTF-8\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-qCHvPNlIeV\">\u7e3d\u7d50<\/h2>\n<p>DB2\u4ee3\u78bc\u9801\u7684\u8a2d\u7f6e\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u986f\u793a\u548c\u5b58\u5132\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u78ba\u8a8d\u7576\u524d\u4ee3\u78bc\u9801\u3001\u6578\u64da\u6e90\u7684\u4ee3\u78bc\u9801\u3001\u91cd\u65b0\u8a2d\u7f6e\u4ee3\u78bc\u9801\u4ee5\u53ca\u9032\u884c\u5fc5\u8981\u7684\u6578\u64da\u8f49\u63db\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u8655\u7406\u4e82\u78bc\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4ee3\u78bc\u9801\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u6b65\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3DB2\u4ee3\u78bc\u9801\u8a2d\u7f6e\u5c0e\u81f4\u7684\u4e82\u78bc\u554f\u984c\u53ca\u5176\u8655\u7406\u65b9\u6cd5\uff0c\u78ba\u4fdd\u6578\u64da\u6b63\u78ba\u986f\u793a\u8207\u5b58\u5132\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60469","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60469","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60469"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60469\/revisions"}],"predecessor-version":[{"id":60470,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60469\/revisions\/60470"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}