{"id":171699,"date":"2024-11-07T04:55:17","date_gmt":"2024-11-06T20:55:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171699\/"},"modified":"2024-11-07T04:55:17","modified_gmt":"2024-11-06T20:55:17","slug":"%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e5%88%86%e4%ba%ab-db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171699\/","title":{"rendered":"\u8f15\u9b06\u641e\u5b9a\uff01DB2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u67e5\u8a62\u65b9\u6cd5\u5206\u4eab (db2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u600e\u9ebc\u67e5)"},"content":{"rendered":"<h1 id=\"%e8%bc%95%e9%ac%86%e6%90%9e%e5%ae%9a%ef%bc%81db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ad%97%e7%ac%a6%e9%9b%86%e6%9f%a5%e8%a9%a2%e6%96%b9%e6%b3%95%e5%88%86%e4%ba%ab-voKaFmyXAg\">\u8f15\u9b06\u641e\u5b9a\uff01DB2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u67e5\u8a62\u65b9\u6cd5\u5206\u4eab<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u914d\u7f6e\u5c0d\u65bc\u6578\u64da\u7684\u6b63\u78ba\u5b58\u5132\u548c\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u7ba1\u7406\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\u3002\u4e86\u89e3\u5982\u4f55\u67e5\u8a62DB2\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\uff0c\u907f\u514d\u56e0\u5b57\u7b26\u96c6\u4e0d\u5339\u914d\u800c\u5c0e\u81f4\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u5206\u4eabDB2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u67e5\u8a62\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u638c\u63e1\u9019\u4e00\u6280\u80fd\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-voKaFmyXAg\">\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\u6c7a\u5b9a\u4e86\u5982\u4f55\u5b58\u5132\u548c\u6aa2\u7d22\u5b57\u7b26\u4e32\u6578\u64da\u3002DB2\u652f\u6301\u591a\u7a2e\u5b57\u7b26\u96c6\uff0c\u5305\u62ecASCII\u3001UTF-8\u3001UTF-16\u7b49\u3002\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u6b63\u78ba\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2db2%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-voKaFmyXAg\">\u67e5\u8a62DB2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u67e5\u8a62\u5b57\u7b26\u96c6\u7684\u4e3b\u8981\u65b9\u6cd5\u662f\u4f7f\u7528SQL\u8a9e\u53e5\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u7528\u7684\u67e5\u8a62\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-voKaFmyXAg\">1. \u67e5\u8a62\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u8981\u67e5\u8a62\u6574\u500b\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM SYSIBM.SYSDATABASE WHERE NAME = '\u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31';<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6578\u64da\u5eab\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u5b57\u7b26\u96c6\u7684\u540d\u7a31\u3002<\/p>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e8%a1%a8%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-voKaFmyXAg\">2. \u67e5\u8a62\u8868\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u5982\u679c\u60a8\u60f3\u67e5\u8a62\u7279\u5b9a\u8868\u7684\u5b57\u7b26\u96c6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT COLNAME, TYPENAME, CCSID FROM SYSIBM.SYSCOLUMNS WHERE TABNAME = '\u4f60\u7684\u8868\u540d\u7a31';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8868\u4e2d\u6bcf\u4e00\u5217\u7684\u540d\u7a31\u3001\u6578\u64da\u985e\u578b\u548c\u5b57\u7b26\u96c6\u6a19\u8b58\u7b26\uff08CCSID\uff09\u3002<\/p>\n<h3 id=\"3-%e6%9f%a5%e8%a9%a2%e7%95%b6%e5%89%8d%e6%9c%83%e8%a9%b1%e7%9a%84%e5%ad%97%e7%ac%a6%e9%9b%86-voKaFmyXAg\">3. \u67e5\u8a62\u7576\u524d\u6703\u8a71\u7684\u5b57\u7b26\u96c6<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u67e5\u8a62\u7576\u524d\u6703\u8a71\u4f7f\u7528\u7684\u5b57\u7b26\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\uff1a<\/p>\n<pre><code>VALUES CURRENT CODESET;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u7576\u524d\u6703\u8a71\u7684\u5b57\u7b26\u96c6\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e5%ad%97%e7%ac%a6%e9%9b%86%e7%9a%84%e8%bd%89%e6%8f%9b-voKaFmyXAg\">\u5b57\u7b26\u96c6\u7684\u8f49\u63db<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u5c07\u6578\u64da\u5f9e\u4e00\u500b\u5b57\u7b26\u96c6\u8f49\u63db\u5230\u53e6\u4e00\u500b\u5b57\u7b26\u96c6\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u652f\u6301\u5b57\u7b26\u96c6\u8f49\u63db\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code>CAST(\u4f60\u7684\u5b57\u6bb5 AS VARCHAR(100) CCSID 1208);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u628a\u6307\u5b9a\u5b57\u6bb5\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u70baUTF-8\uff08CCSID 1208\uff09\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-voKaFmyXAg\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9078\u64c7\u5b57\u7b26\u96c6\u6642\uff0c\u8acb\u8003\u616e\u5230\u6578\u64da\u7684\u4f86\u6e90\u548c\u4f7f\u7528\u5834\u666f\u3002<\/li>\n<li>\u78ba\u4fdd\u5728\u6578\u64da\u5eab\u8a2d\u8a08\u968e\u6bb5\u5c31\u9078\u64c7\u5408\u9069\u7684\u5b57\u7b26\u96c6\uff0c\u4ee5\u907f\u514d\u5f8c\u671f\u7684\u6578\u64da\u640d\u58de\u3002<\/li>\n<li>\u5728\u9032\u884c\u5b57\u7b26\u96c6\u8f49\u63db\u6642\uff0c\u8acb\u52d9\u5fc5\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u640d\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-voKaFmyXAg\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3DB2\u6578\u64da\u5eab\u7684\u5b57\u7b26\u96c6\u67e5\u8a62\u65b9\u6cd5\u5c0d\u65bc\u6578\u64da\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528\u4e0a\u8ff0SQL\u8a9e\u53e5\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u67e5\u8a62\u6578\u64da\u5eab\u3001\u8868\u548c\u6703\u8a71\u7684\u5b57\u7b26\u96c6\u4fe1\u606f\uff0c\u4e26\u9032\u884c\u5fc5\u8981\u7684\u5b57\u7b26\u96c6\u8f49\u63db\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u6b63\u78ba\u6027\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u5eab\u7684\u6574\u9ad4\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8f15\u9b06\u641e\u5b9aDB2\u6578\u64da\u5eab\u5b57\u7b26\u96c6\u67e5\u8a62\u65b9\u6cd5\uff0c\u5feb\u901f\u4e86\u89e3\u5982\u4f55\u67e5\u8a62DB2\u6578\u64da\u5eab\u4e2d\u7684\u5b57\u7b26\u96c6\u8a2d\u5b9a\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\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-171699","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171699","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=171699"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171699\/revisions"}],"predecessor-version":[{"id":171700,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171699\/revisions\/171700"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}