{"id":60977,"date":"2024-10-13T07:24:14","date_gmt":"2024-10-12T23:24:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60977\/"},"modified":"2024-10-13T07:24:14","modified_gmt":"2024-10-12T23:24:14","slug":"db2%e4%b8%ad%e6%9f%a5%e7%9c%8b%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e8%a3%a1sql%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%b7%e8%a1%8c%e6%83%85%e6%b3%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60977\/","title":{"rendered":"DB2\u4e2d\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u88e1SQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1"},"content":{"rendered":"<h1 id=\"db2%e4%b8%ad%e6%9f%a5%e7%9c%8b%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e8%a3%a1sql%e8%aa%9e%e5%8f%a5%e7%9a%84%e5%9f%b7%e8%a1%8c%e6%83%85%e6%b3%81-dIKzAkqYVm\">DB2\u4e2d\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u88e1SQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u57f7\u884c\u8907\u96dc\u7684\u64cd\u4f5c\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u4e2dSQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728DB2\u4e2d\u6709\u6548\u5730\u76e3\u63a7\u548c\u5206\u6790\u5b58\u5132\u904e\u7a0b\u7684SQL\u57f7\u884c\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%ef%bc%9f-dIKzAkqYVm\">\u4ec0\u9ebc\u662f\u5b58\u5132\u904e\u7a0b\uff1f<\/h2>\n<p>\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u5b58\u5132\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u4f86\u57f7\u884c\u3002\u5b83\u5011\u901a\u5e38\u7528\u65bc\u5c01\u88dd\u696d\u52d9\u908f\u8f2f\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002DB2\u652f\u6301\u591a\u7a2e\u8a9e\u8a00\u4f86\u7de8\u5beb\u5b58\u5132\u904e\u7a0b\uff0c\u5305\u62ecSQL\u548cPL\/SQL\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e7%9c%8bsql%e5%9f%b7%e8%a1%8c%e6%83%85%e6%b3%81%ef%bc%9f-dIKzAkqYVm\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u770bSQL\u57f7\u884c\u60c5\u6cc1\uff1f<\/h2>\n<p>\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u4e2dSQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1\u6709\u52a9\u65bc\uff1a<\/p>\n<ul>\n<li>\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff1a\u901a\u904e\u5206\u6790\u57f7\u884c\u6642\u9593\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ef\u4ee5\u627e\u51fa\u5f71\u97ff\u6027\u80fd\u7684SQL\u8a9e\u53e5\u3002<\/li>\n<li>\u512a\u5316\u67e5\u8a62\uff1a\u6839\u64da\u57f7\u884c\u8a08\u5283\u548c\u7d71\u8a08\u4fe1\u606f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8abf\u6574SQL\u8a9e\u53e5\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<li>\u6545\u969c\u6392\u9664\uff1a\u7576\u5b58\u5132\u904e\u7a0b\u51fa\u73fe\u932f\u8aa4\u6642\uff0c\u67e5\u770bSQL\u57f7\u884c\u60c5\u6cc1\u53ef\u4ee5\u5e6b\u52a9\u5b9a\u4f4d\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bdb2%e4%b8%ad%e5%ad%98%e5%84%b2%e9%81%8e%e7%a8%8b%e7%9a%84sql%e5%9f%b7%e8%a1%8c%e6%83%85%e6%b3%81-dIKzAkqYVm\">\u5982\u4f55\u67e5\u770bDB2\u4e2d\u5b58\u5132\u904e\u7a0b\u7684SQL\u57f7\u884c\u60c5\u6cc1<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u4e2dSQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8db2%e7%9a%84%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-dIKzAkqYVm\">1. \u4f7f\u7528DB2\u7684\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u76e3\u63a7\u5de5\u5177\uff0c\u5982DB2 Control Center\u548cIBM Data Studio\uff0c\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u67e5\u770bSQL\u8a9e\u53e5\u7684\u57f7\u884c\u8a08\u5283\u548c\u6027\u80fd\u6307\u6a19\u3002\u7528\u6236\u53ef\u4ee5\u901a\u904e\u9019\u4e9b\u5de5\u5177\u751f\u6210\u5831\u544a\uff0c\u5206\u6790\u5b58\u5132\u904e\u7a0b\u7684\u57f7\u884c\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%9f%b7%e8%a1%8c%e8%a8%88%e5%8a%83-dIKzAkqYVm\">2. \u4f7f\u7528\u57f7\u884c\u8a08\u5283<\/h3>\n<p>\u57f7\u884c\u8a08\u5283\u662fDB2\u7528\u4f86\u57f7\u884cSQL\u8a9e\u53e5\u7684\u7b56\u7565\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u7372\u53d6\u5b58\u5132\u904e\u7a0b\u4e2d\u67d0\u500bSQL\u8a9e\u53e5\u7684\u57f7\u884c\u8a08\u5283\uff1a<\/p>\n<pre><code>EXPLAIN PLAN FOR\nCALL your_stored_procedure();<\/code><\/pre>\n<p>\u9019\u5c07\u751f\u6210\u4e00\u500b\u57f7\u884c\u8a08\u5283\uff0c\u986f\u793aDB2\u5982\u4f55\u57f7\u884c\u8a72\u5b58\u5132\u904e\u7a0b\u4e2d\u7684SQL\u8a9e\u53e5\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8db2%e7%9a%84%e6%80%a7%e8%83%bd%e8%a6%96%e5%9c%96-dIKzAkqYVm\">3. \u4f7f\u7528DB2\u7684\u6027\u80fd\u8996\u5716<\/h3>\n<p>DB2\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7cfb\u7d71\u8996\u5716\uff0c\u5982MON_GET_PKG_CACHE_STMT\u548cMON_GET_UNIT_OF_WORK\uff0c\u9019\u4e9b\u8996\u5716\u53ef\u4ee5\u7528\u4f86\u67e5\u8a62SQL\u8a9e\u53e5\u7684\u57f7\u884c\u7d71\u8a08\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u67e5\u8a62\uff1a<\/p>\n<pre><code>SELECT *\nFROM TABLE(MON_GET_PKG_CACHE_STMT(NULL, -2)) AS T\nWHERE STMT_TEXT LIKE '%your_sql_statement%';<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u8207\u6307\u5b9aSQL\u8a9e\u53e5\u76f8\u95dc\u7684\u57f7\u884c\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u57f7\u884c\u6b21\u6578\u3001\u7e3d\u57f7\u884c\u6642\u9593\u7b49\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-dIKzAkqYVm\">\u7d50\u8ad6<\/h2>\n<p>\u5728DB2\u4e2d\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u88e1SQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u4f7f\u7528DB2\u7684\u76e3\u63a7\u5de5\u5177\u3001\u57f7\u884c\u8a08\u5283\u548c\u6027\u80fd\u8996\u5716\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u5206\u6790\u548c\u512a\u5316\u5b58\u5132\u904e\u7a0b\u7684\u6027\u80fd\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u7387\uff0c\u9084\u80fd\u5728\u6545\u969c\u6392\u9664\u6642\u63d0\u4f9b\u5bf6\u8cb4\u7684\u4fe1\u606f\u3002<\/p>\n<p>\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\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728DB2\u4e2d\u67e5\u770b\u5b58\u5132\u904e\u7a0b\u5167SQL\u8a9e\u53e5\u7684\u57f7\u884c\u60c5\u6cc1\uff0c\u63d0\u5347\u6027\u80fd\u5206\u6790\u8207\u6545\u969c\u6392\u9664\u6548\u7387\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-60977","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60977","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=60977"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60977\/revisions"}],"predecessor-version":[{"id":60978,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60977\/revisions\/60978"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}