{"id":172141,"date":"2024-11-07T10:39:23","date_gmt":"2024-11-07T02:39:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172141\/"},"modified":"2024-11-07T10:39:24","modified_gmt":"2024-11-07T02:39:24","slug":"%e5%85%a8%e9%9d%a2%e4%ba%86%e8%a7%a3db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%90%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172141\/","title":{"rendered":"\u5168\u9762\u4e86\u89e3DB2\u6578\u64da\u5eab\u4e2d\u7684\u5404\u6578\u64da\u985e\u578b"},"content":{"rendered":"<h1 id=\"%e5%85%a8%e9%9d%a2%e4%ba%86%e8%a7%a3db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%90%84%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jqhXwnlLhu\">\u5168\u9762\u4e86\u89e3DB2\u6578\u64da\u5eab\u4e2d\u7684\u5404\u6578\u64da\u985e\u578b<\/h1>\n<p>DB2\u662f\u4e00\u6b3e\u7531IBM\u958b\u767c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002DB2\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u6578\u64da\u985e\u578b\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u7684\u6578\u64da\u5b58\u5132\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eDB2\u4e2d\u7684\u5404\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728DB2\u4e2d\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jqhXwnlLhu\">\u57fa\u672c\u6578\u64da\u985e\u578b<\/h2>\n<p>DB2\u7684\u57fa\u672c\u6578\u64da\u985e\u578b\u4e3b\u8981\u5305\u62ec\u6574\u6578\u3001\u6d6e\u9ede\u6578\u3001\u5b57\u7b26\u548c\u65e5\u671f\u6642\u9593\u7b49\u3002\u9019\u4e9b\u6578\u64da\u985e\u578b\u662f\u69cb\u5efa\u6578\u64da\u8868\u7684\u57fa\u790e\u3002<\/p>\n<ul>\n<li><strong>\u6574\u6578\u985e\u578b\uff1a<\/strong>DB2\u652f\u6301\u591a\u7a2e\u6574\u6578\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/li>\n<ul>\n<li><code>SMALLINT<\/code>\uff1a\u4f54\u75282\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-32,768\u523032,767\u3002<\/li>\n<li><code>INTEGER<\/code>\uff1a\u4f54\u75284\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-2,147,483,648\u52302,147,483,647\u3002<\/li>\n<li><code>BIGINT<\/code>\uff1a\u4f54\u75288\u500b\u5b57\u7bc0\uff0c\u7bc4\u570d\u70ba-9,223,372,036,854,775,808\u52309,223,372,036,854,775,807\u3002<\/li>\n<\/ul>\n<li><strong>\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/strong>DB2\u63d0\u4f9b\u4e86\u5169\u7a2e\u6d6e\u9ede\u6578\u985e\u578b\uff1a<\/li>\n<ul>\n<li><code>REAL<\/code>\uff1a\u4f54\u75284\u500b\u5b57\u7bc0\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u55ae\u7cbe\u5ea6\u6d6e\u9ede\u6578\u3002<\/li>\n<li><code>DOUBLE<\/code>\uff1a\u4f54\u75288\u500b\u5b57\u7bc0\uff0c\u901a\u5e38\u7528\u65bc\u5b58\u5132\u96d9\u7cbe\u5ea6\u6d6e\u9ede\u6578\u3002<\/li>\n<\/ul>\n<li><strong>\u5b57\u7b26\u985e\u578b\uff1a<\/strong>\u5b57\u7b26\u6578\u64da\u985e\u578b\u5305\u62ec\uff1a<\/li>\n<ul>\n<li><code>CHAR(n)<\/code>\uff1a\u56fa\u5b9a\u9577\u5ea6\u7684\u5b57\u7b26\u578b\uff0c\u6700\u591a\u53ef\u5b58\u5132n\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>VARCHAR(n)<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u7684\u5b57\u7b26\u578b\uff0c\u6700\u591a\u53ef\u5b58\u5132n\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>CLOB<\/code>\uff1a\u7528\u65bc\u5b58\u5132\u5927\u91cf\u5b57\u7b26\u6578\u64da\uff0c\u6700\u5927\u53ef\u90542GB\u3002<\/li>\n<\/ul>\n<li><strong>\u65e5\u671f\u6642\u9593\u985e\u578b\uff1a<\/strong>DB2\u652f\u6301\u591a\u7a2e\u65e5\u671f\u548c\u6642\u9593\u985e\u578b\uff1a<\/li>\n<ul>\n<li><code>DATE<\/code>\uff1a\u5b58\u5132\u65e5\u671f\uff0c\u683c\u5f0f\u70baYYYY-MM-DD\u3002<\/li>\n<li><code>TIME<\/code>\uff1a\u5b58\u5132\u6642\u9593\uff0c\u683c\u5f0f\u70baHH:MM:SS\u3002<\/li>\n<li><code>TIMESTAMP<\/code>\uff1a\u540c\u6642\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u683c\u5f0f\u70baYYYY-MM-DD HH:MM:SS\u3002<\/li>\n<\/ul>\n<\/ul>\n<h2 id=\"%e8%a4%87%e9%9b%9c%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-jqhXwnlLhu\">\u8907\u96dc\u6578\u64da\u985e\u578b<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u6578\u64da\u985e\u578b\uff0cDB2\u9084\u652f\u6301\u4e00\u4e9b\u8907\u96dc\u6578\u64da\u985e\u578b\uff0c\u9019\u4e9b\u6578\u64da\u985e\u578b\u80fd\u5920\u66f4\u597d\u5730\u6eff\u8db3\u7279\u5b9a\u7684\u61c9\u7528\u9700\u6c42\u3002<\/p>\n<ul>\n<li><strong>\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\uff1a<\/strong>DB2\u63d0\u4f9b\u4e86\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\u4f86\u5b58\u5132\u975e\u5b57\u7b26\u6578\u64da\uff1a<\/li>\n<ul>\n<li><code>VARBINARY(n)<\/code>\uff1a\u53ef\u8b8a\u9577\u5ea6\u7684\u4e8c\u9032\u5236\u6578\u64da\uff0c\u6700\u591a\u53ef\u5b58\u5132n\u500b\u5b57\u7bc0\u3002<\/li>\n<li><code>BLOB<\/code>\uff1a\u7528\u65bc\u5b58\u5132\u5927\u91cf\u4e8c\u9032\u5236\u6578\u64da\uff0c\u6700\u5927\u53ef\u90542GB\u3002<\/li>\n<\/ul>\n<li><strong>XML\u6578\u64da\u985e\u578b\uff1a<\/strong>DB2\u652f\u6301XML\u6578\u64da\u985e\u578b\uff0c\u5141\u8a31\u7528\u6236\u5b58\u5132\u548c\u67e5\u8a62XML\u6587\u6a94\uff1a<\/li>\n<ul>\n<li><code>XML<\/code>\uff1a\u7528\u65bc\u5b58\u5132XML\u6578\u64da\uff0c\u652f\u6301XML\u7684\u67e5\u8a62\u548c\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87-jqhXwnlLhu\">\u6578\u64da\u985e\u578b\u7684\u9078\u64c7<\/h2>\n<p>\u5728\u8a2d\u8a08\u6578\u64da\u5eab\u6642\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u81f3\u95dc\u91cd\u8981\u3002\u9078\u64c7\u4e0d\u7576\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u6216\u6578\u64da\u4e0d\u4e00\u81f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9078\u64c7\u6578\u64da\u985e\u578b\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u4f8b\u5982\uff0c\u5c0d\u65bc\u9700\u8981\u5b58\u5132\u5927\u91cf\u6587\u672c\u7684\u5b57\u6bb5\uff0c\u61c9\u9078\u64c7<code>CLOB<\/code>\u3002<\/li>\n<li>\u8003\u616e\u6578\u64da\u7684\u7bc4\u570d\u548c\u7cbe\u5ea6\uff0c\u5c0d\u65bc\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u6578\u64da\uff0c\u61c9\u9078\u64c7<code>DOUBLE<\/code>\u800c\u975e<code>REAL<\/code>\u3002<\/li>\n<li>\u5728\u8a2d\u8a08\u8868\u7d50\u69cb\u6642\uff0c\u76e1\u91cf\u4f7f\u7528\u53ef\u8b8a\u9577\u5ea6\u7684\u6578\u64da\u985e\u578b\uff08\u5982<code>VARCHAR<\/code>\uff09\uff0c\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jqhXwnlLhu\">\u7e3d\u7d50<\/h2>\n<p>DB2\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5f9e\u57fa\u672c\u7684\u6574\u6578\u548c\u5b57\u7b26\u985e\u578b\u5230\u8907\u96dc\u7684XML\u548cBLOB\u985e\u578b\uff0c\u9019\u4e9b\u6578\u64da\u985e\u578b\u80fd\u5920\u6eff\u8db3\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u3002\u5728\u9078\u64c7\u6578\u64da\u985e\u578b\u6642\uff0c\u958b\u767c\u8005\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u5408\u7406\u9078\u64c7\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6709\u6548\u5b58\u5132\u548c\u67e5\u8a62\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u5c0d\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u6216\u5176\u4ed6<code>\u4e91\u670d\u52a1\u5668<\/code>\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a> \u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5168\u9762\u4e86\u89e3DB2\u6578\u64da\u5eab\u4e2d\u7684\u5404\u6578\u64da\u985e\u578b\uff0c\u638c\u63e1\u5176\u7279\u6027\u8207\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u5206\u6790\u80fd\u529b\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-172141","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172141","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=172141"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172141\/revisions"}],"predecessor-version":[{"id":172142,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172141\/revisions\/172142"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}