{"id":60997,"date":"2024-10-13T07:34:14","date_gmt":"2024-10-12T23:34:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60997\/"},"modified":"2024-10-13T07:34:14","modified_gmt":"2024-10-12T23:34:14","slug":"db2%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a0%85","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60997\/","title":{"rendered":"DB2\u4e2d\u4f7f\u7528\u6e38\u6a19\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9805"},"content":{"rendered":"<h1 id=\"db2%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e7%9a%84%e4%ba%8b%e9%a0%85-zrhNZkwkfZ\">DB2\u4e2d\u4f7f\u7528\u6e38\u6a19\u9700\u8981\u6ce8\u610f\u7684\u4e8b\u9805<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6e38\u6a19\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u5de5\u5177\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u578b\u8cc7\u6599\u96c6\u6642\u3002DB2\u4f5c\u70baIBM\u7684\u4e00\u6b3e\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6e38\u6a19\u529f\u80fd\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u958b\u767c\u8005\u7279\u5225\u7559\u610f\uff0c\u4ee5\u78ba\u4fdd\u6027\u80fd\u548c\u6b63\u78ba\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%b8%b8%e6%a8%99%ef%bc%9f-zrhNZkwkfZ\">\u4ec0\u9ebc\u662f\u6e38\u6a19\uff1f<\/h2>\n<p>\u6e38\u6a19\u662f\u4e00\u7a2e\u8cc7\u6599\u5eab\u5c0d\u8c61\uff0c\u5141\u8a31\u958b\u767c\u8005\u9010\u884c\u8655\u7406\u67e5\u8a62\u7d50\u679c\u3002\u4f7f\u7528\u6e38\u6a19\u53ef\u4ee5\u5728\u67e5\u8a62\u7d50\u679c\u4e2d\u9032\u884c\u66f4\u7d30\u7dfb\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u66f4\u65b0\u6216\u522a\u9664\u7279\u5b9a\u884c\u3002DB2\u652f\u6301\u591a\u7a2e\u6e38\u6a19\u985e\u578b\uff0c\u5305\u62ec\u975c\u614b\u6e38\u6a19\u548c\u52d5\u614b\u6e38\u6a19\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%b8%b8%e6%a8%99%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-zrhNZkwkfZ\">\u4f7f\u7528\u6e38\u6a19\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<h3 id=\"1-%e6%b8%b8%e6%a8%99%e7%9a%84%e9%a1%9e%e5%9e%8b%e9%81%b8%e6%93%87-zrhNZkwkfZ\">1. \u6e38\u6a19\u7684\u985e\u578b\u9078\u64c7<\/h3>\n<p>\u5728DB2\u4e2d\uff0c\u6e38\u6a19\u4e3b\u8981\u6709\u975c\u614b\u548c\u52d5\u614b\u5169\u7a2e\u3002\u975c\u614b\u6e38\u6a19\u5728\u6253\u958b\u6642\u5c31\u6703\u751f\u6210\u7d50\u679c\u96c6\uff0c\u800c\u52d5\u614b\u6e38\u6a19\u5247\u5728\u6bcf\u6b21\u8a2a\u554f\u6642\u91cd\u65b0\u751f\u6210\u7d50\u679c\u96c6\u3002\u9078\u64c7\u5408\u9069\u7684\u6e38\u6a19\u985e\u578b\u53ef\u4ee5\u5f71\u97ff\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u975c\u614b\u6e38\u6a19\u9069\u5408\u65bc\u4e0d\u9700\u8981\u983b\u7e41\u66f4\u65b0\u7684\u67e5\u8a62\uff0c\u800c\u52d5\u614b\u6e38\u6a19\u5247\u9069\u5408\u65bc\u9700\u8981\u5373\u6642\u53cd\u6620\u8cc7\u6599\u8b8a\u66f4\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"2-%e6%b8%b8%e6%a8%99%e7%9a%84%e7%af%84%e5%9c%8d-zrhNZkwkfZ\">2. \u6e38\u6a19\u7684\u7bc4\u570d<\/h3>\n<p>\u6e38\u6a19\u7684\u7bc4\u570d\u6c7a\u5b9a\u4e86\u5b83\u80fd\u5920\u8a2a\u554f\u7684\u8cc7\u6599\u3002DB2\u652f\u6301\u5168\u5c40\u6e38\u6a19\u548c\u5c40\u90e8\u6e38\u6a19\u3002\u5168\u5c40\u6e38\u6a19\u53ef\u4ee5\u5728\u6574\u500b\u61c9\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\uff0c\u800c\u5c40\u90e8\u6e38\u6a19\u50c5\u5728\u5b9a\u7fa9\u5b83\u7684\u7a0b\u5e8f\u4e2d\u6709\u6548\u3002\u9078\u64c7\u5408\u9069\u7684\u7bc4\u570d\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d88\u8017\u3002<\/p>\n<h3 id=\"3-%e6%b8%b8%e6%a8%99%e7%9a%84%e9%96%8b%e5%95%9f%e8%88%87%e9%97%9c%e9%96%89-zrhNZkwkfZ\">3. \u6e38\u6a19\u7684\u958b\u555f\u8207\u95dc\u9589<\/h3>\n<p>\u5728\u4f7f\u7528\u6e38\u6a19\u4e4b\u524d\uff0c\u5fc5\u9808\u5148\u958b\u555f\u5b83\uff0c\u4e26\u5728\u4f7f\u7528\u5b8c\u7562\u5f8c\u95dc\u9589\u3002\u672a\u95dc\u9589\u7684\u6e38\u6a19\u6703\u4f54\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4ee5\u4e0b\u662f\u958b\u555f\u548c\u95dc\u9589\u6e38\u6a19\u7684\u57fa\u672c\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>DECLARE myCursor CURSOR FOR SELECT * FROM myTable;\nOPEN myCursor;\n-- \u9032\u884c\u8cc7\u6599\u8655\u7406\nCLOSE myCursor;<\/code><\/pre>\n<h3 id=\"4-%e6%b8%b8%e6%a8%99%e7%9a%84%e6%80%a7%e8%83%bd%e5%bd%b1%e9%9f%bf-zrhNZkwkfZ\">4. \u6e38\u6a19\u7684\u6027\u80fd\u5f71\u97ff<\/h3>\n<p>\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u8cc7\u6599\u6642\uff0c\u6027\u80fd\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u6279\u6b21\u8655\u7406\uff0c\u5c07\u591a\u500b\u64cd\u4f5c\u5408\u4f75\u70ba\u4e00\u500b\u4e8b\u52d9\u3002\u6b64\u5916\uff0c\u61c9\u907f\u514d\u5728\u5faa\u74b0\u4e2d\u983b\u7e41\u958b\u555f\u548c\u95dc\u9589\u6e38\u6a19\uff0c\u9019\u6a23\u6703\u589e\u52a0\u7cfb\u7d71\u8ca0\u64d4\u3002<\/p>\n<h3 id=\"5-%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86-zrhNZkwkfZ\">5. \u932f\u8aa4\u8655\u7406<\/h3>\n<p>\u5728\u4f7f\u7528\u6e38\u6a19\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u932f\u8aa4\u8655\u7406\u6a5f\u5236\uff0c\u4f8b\u5982\u4f7f\u7528SQLCODE\u548cSQLSTATE\u4f86\u6aa2\u67e5\u64cd\u4f5c\u7684\u7d50\u679c\u3002\u958b\u767c\u8005\u61c9\u8a72\u5728\u6e38\u6a19\u64cd\u4f5c\u4e2d\u52a0\u5165\u932f\u8aa4\u8655\u7406\u908f\u8f2f\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-zrhNZkwkfZ\">\u7d50\u8ad6<\/h2>\n<p>\u5728DB2\u4e2d\u4f7f\u7528\u6e38\u6a19\u662f\u4e00\u9805\u5f37\u5927\u7684\u529f\u80fd\uff0c\u4f46\u540c\u6642\u4e5f\u9700\u8981\u8b39\u614e\u5c0d\u5f85\u3002\u9078\u64c7\u5408\u9069\u7684\u6e38\u6a19\u985e\u578b\u3001\u7bc4\u570d\uff0c\u4e26\u6ce8\u610f\u6027\u80fd\u548c\u932f\u8aa4\u8655\u7406\uff0c\u90fd\u662f\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u900f\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u65bd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u767c\u63eeDB2\u6e38\u6a19\u7684\u6f5b\u529b\uff0c\u63d0\u5347\u8cc7\u6599\u8655\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5728DB2\u4e2d\u4f7f\u7528\u6e38\u6807\u65f6\u9700\u6ce8\u610f\u7684\u4e8b\u9879\uff0c\u5305\u62ec\u6027\u80fd\u4f18\u5316\u3001\u8d44\u6e90\u7ba1\u7406\u548c\u4e8b\u52a1\u63a7\u5236\uff0c\u4ee5\u786e\u4fdd\u9ad8\u6548\u6570\u636e\u5904\u7406\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-60997","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60997","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=60997"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60997\/revisions"}],"predecessor-version":[{"id":60998,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60997\/revisions\/60998"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}