{"id":60889,"date":"2024-10-13T06:40:22","date_gmt":"2024-10-12T22:40:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60889\/"},"modified":"2024-10-13T06:40:22","modified_gmt":"2024-10-12T22:40:22","slug":"db2%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8%e8%88%87%e5%85%a7%e7%bd%ae%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60889\/","title":{"rendered":"DB2\u6578\u64da\u985e\u578b\u7684\u61c9\u7528\u8207\u5167\u7f6e\u6578\u64da\u985e\u578b"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8%e8%88%87%e5%85%a7%e7%bd%ae%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-HsrkMnEvtC\">DB2\u6578\u64da\u985e\u578b\u7684\u61c9\u7528\u8207\u5167\u7f6e\u6578\u64da\u985e\u578b<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6578\u64da\u985e\u578b\u7684\u9078\u64c7\u5c0d\u65bc\u6578\u64da\u7684\u5b58\u5132\u3001\u67e5\u8a62\u548c\u8655\u7406\u81f3\u95dc\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u7f6e\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u6578\u64da\u985e\u578b\u4e0d\u50c5\u652f\u6301\u5404\u7a2e\u61c9\u7528\u5834\u666f\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0eDB2\u7684\u6578\u64da\u985e\u578b\u53ca\u5176\u61c9\u7528\u3002<\/p>\n<h2 id=\"db2%e7%9a%84%e5%85%a7%e7%bd%ae%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-HsrkMnEvtC\">DB2\u7684\u5167\u7f6e\u6578\u64da\u985e\u578b<\/h2>\n<p>DB2\u652f\u6301\u591a\u7a2e\u5167\u7f6e\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u6574\u6578\u985e\u578b\uff1a<\/strong>\u5305\u62ec <code>SMALLINT<\/code>\u3001<code>INTEGER<\/code> \u548c <code>BIGINT<\/code>\u3002\u9019\u4e9b\u985e\u578b\u7528\u65bc\u5b58\u5132\u6574\u6578\u6578\u64da\uff0c\u6839\u64da\u9700\u8981\u7684\u7bc4\u570d\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u3002<\/li>\n<li><strong>\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/strong>\u5305\u62ec <code>FLOAT<\/code> \u548c <code>DOUBLE<\/code>\u3002\u9019\u4e9b\u985e\u578b\u7528\u65bc\u5b58\u5132\u5e36\u5c0f\u6578\u7684\u6578\u64da\uff0c\u9069\u5408\u9700\u8981\u9ad8\u7cbe\u5ea6\u8a08\u7b97\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u5b57\u7b26\u985e\u578b\uff1a<\/strong>\u5305\u62ec <code>CHAR<\/code>\u3001<code>VARCHAR<\/code> \u548c <code>LONG VARCHAR<\/code>\u3002\u9019\u4e9b\u985e\u578b\u7528\u65bc\u5b58\u5132\u6587\u672c\u6578\u64da\uff0c\u6839\u64da\u5b57\u7b26\u9577\u5ea6\u7684\u4e0d\u540c\u9078\u64c7\u5408\u9069\u7684\u985e\u578b\u3002<\/li>\n<li><strong>\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\uff1a<\/strong>\u5305\u62ec <code>DATE<\/code>\u3001<code>TIME<\/code> \u548c <code>TIMESTAMP<\/code>\u3002\u9019\u4e9b\u985e\u578b\u7528\u65bc\u5b58\u5132\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\uff0c\u9069\u5408\u9700\u8981\u6642\u9593\u6233\u8a18\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u4e8c\u9032\u5236\u985e\u578b\uff1a<\/strong>\u5305\u62ec <code>VARBINARY<\/code> \u548c <code>BLOB<\/code>\u3002\u9019\u4e9b\u985e\u578b\u7528\u65bc\u5b58\u5132\u4e8c\u9032\u5236\u6578\u64da\uff0c\u5982\u5716\u50cf\u548c\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">\u6578\u64da\u985e\u578b\u7684\u61c9\u7528<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e6%95%b4%e6%95%b8%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">1. \u6574\u6578\u985e\u578b\u7684\u61c9\u7528<\/h3>\n<p>\u6574\u6578\u985e\u578b\u901a\u5e38\u7528\u65bc\u5b58\u5132\u8a08\u6578\u3001ID\u6216\u5176\u4ed6\u9700\u8981\u6574\u6578\u8868\u793a\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u4f7f\u7528 <code>INTEGER<\/code> \u985e\u578b\u4f86\u5b58\u5132\u7528\u6236ID\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6bcf\u500b\u7528\u6236\u90fd\u6709\u552f\u4e00\u7684\u6a19\u8b58\u7b26\u3002<\/p>\n<h3 id=\"2-%e6%b5%ae%e9%bb%9e%e6%95%b8%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">2. \u6d6e\u9ede\u6578\u985e\u578b\u7684\u61c9\u7528<\/h3>\n<p>\u5728\u91d1\u878d\u61c9\u7528\u4e2d\uff0c\u6d6e\u9ede\u6578\u985e\u578b\u7d93\u5e38\u7528\u65bc\u5b58\u5132\u91d1\u984d\u548c\u5229\u7387\u7b49\u6578\u64da\u3002\u4f7f\u7528 <code>DECIMAL<\/code> \u985e\u578b\u53ef\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u7cbe\u5ea6\uff0c\u907f\u514d\u6d6e\u9ede\u6578\u8a08\u7b97\u4e2d\u7684\u8aa4\u5dee\u3002<\/p>\n<h3 id=\"3-%e5%ad%97%e7%ac%a6%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">3. \u5b57\u7b26\u985e\u578b\u7684\u61c9\u7528<\/h3>\n<p>\u5b57\u7b26\u985e\u578b\u9069\u5408\u7528\u65bc\u5b58\u5132\u7528\u6236\u540d\u3001\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u7b49\u6587\u672c\u4fe1\u606f\u3002\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7 <code>VARCHAR<\/code> \u800c\u975e <code>CHAR<\/code> \u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff0c\u56e0\u70ba <code>VARCHAR<\/code> \u53ea\u4f54\u7528\u5be6\u969b\u4f7f\u7528\u7684\u5b57\u7b26\u6578\u91cf\u3002<\/p>\n<h3 id=\"4-%e6%97%a5%e6%9c%9f%e5%92%8c%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">4. \u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u7684\u61c9\u7528<\/h3>\n<p>\u5728\u65e5\u8a8c\u7cfb\u7d71\u6216\u4e8b\u4ef6\u8ffd\u8e64\u7cfb\u7d71\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u4f7f\u7528 <code>TIMESTAMP<\/code> \u53ef\u4ee5\u6e96\u78ba\u8a18\u9304\u4e8b\u4ef6\u767c\u751f\u7684\u6642\u9593\uff0c\u4fbf\u65bc\u5f8c\u7e8c\u7684\u67e5\u8a62\u548c\u5206\u6790\u3002<\/p>\n<h3 id=\"5-%e4%ba%8c%e9%80%b2%e5%88%b6%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%87%89%e7%94%a8-HsrkMnEvtC\">5. \u4e8c\u9032\u5236\u985e\u578b\u7684\u61c9\u7528<\/h3>\n<p>\u5728\u591a\u5a92\u9ad4\u61c9\u7528\u4e2d\uff0c\u4e8c\u9032\u5236\u985e\u578b\u7528\u65bc\u5b58\u5132\u5716\u50cf\u3001\u97f3\u983b\u548c\u8996\u983b\u6587\u4ef6\u3002\u4f7f\u7528 <code>BLOB<\/code> \u985e\u578b\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5927\u5bb9\u91cf\u7684\u4e8c\u9032\u5236\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-HsrkMnEvtC\">\u7d50\u8ad6<\/h2>\n<p>DB2\u63d0\u4f9b\u7684\u591a\u7a2e\u5167\u7f6e\u6578\u64da\u985e\u578b\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5b58\u5132\u65b9\u5f0f\u3002\u6b63\u78ba\u7684\u6578\u64da\u985e\u578b\u9078\u64c7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\uff0c\u9084\u80fd\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u80fd\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u7684\u7528\u6236\uff0c\u4e86\u89e3DB2\u7684\u6578\u64da\u985e\u578b\u53ca\u5176\u61c9\u7528\u5c07\u662f\u975e\u5e38\u6709\u5e6b\u52a9\u7684\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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