{"id":60769,"date":"2024-10-13T05:39:15","date_gmt":"2024-10-12T21:39:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60769\/"},"modified":"2024-10-13T05:39:15","modified_gmt":"2024-10-12T21:39:15","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%b7%e8%a1%8c%e6%a8%a1%e5%bc%8f%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60769\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u547d\u4ee4\u7684\u57f7\u884c\u6a21\u5f0f\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

DB2\u6578\u64da\u5eab\u547d\u4ee4\u7684\u57f7\u884c\u6a21\u5f0f\u6709\u54ea\u4e9b\uff1f<\/h1>\n

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\u57f7\u884c\u6a21\u5f0f\uff0c\u9019\u4e9b\u6a21\u5f0f\u5f71\u97ff\u8457\u6578\u64da\u5eab\u547d\u4ee4\u7684\u57f7\u884c\u6548\u7387\u548c\u9748\u6d3b\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eDB2\u6578\u64da\u5eab\u547d\u4ee4\u7684\u57f7\u884c\u6a21\u5f0f\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u904b\u4f5c\u539f\u7406\u3002<\/p>\n

1. \u4ea4\u4e92\u5f0f\u57f7\u884c\u6a21\u5f0f<\/h2>\n

\u4ea4\u4e92\u5f0f\u57f7\u884c\u6a21\u5f0f\u662fDB2\u6700\u57fa\u672c\u7684\u57f7\u884c\u65b9\u5f0f\uff0c\u901a\u5e38\u901a\u904eDB2\u547d\u4ee4\u884c\u754c\u9762\uff08CLI\uff09\u9032\u884c\u64cd\u4f5c\u3002\u5728\u9019\u7a2e\u6a21\u5f0f\u4e0b\uff0c\u7528\u6236\u53ef\u4ee5\u9010\u689d\u8f38\u5165SQL\u547d\u4ee4\uff0c\u4e26\u7acb\u5373\u7372\u5f97\u57f7\u884c\u7d50\u679c\u3002\u9019\u7a2e\u6a21\u5f0f\u9069\u5408\u65bc\u5c0f\u898f\u6a21\u7684\u67e5\u8a62\u548c\u6e2c\u8a66\u3002<\/p>\n

db2 connect to sample user db2admin using password\ndb2 \"SELECT * FROM employees WHERE department = 'Sales'\"\n<\/code><\/pre>\n
\u5728\u4ea4\u4e92\u5f0f\u6a21\u5f0f\u4e2d\uff0c\u7528\u6236\u53ef\u4ee5\u96a8\u6642\u4fee\u6539\u67e5\u8a62\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u958b\u767c\u548c\u8abf\u8a66\u968e\u6bb5\u7279\u5225\u6709\u7528\u3002<\/p>\n
2. \u6279\u91cf\u57f7\u884c\u6a21\u5f0f<\/h2>\n
\u6279\u91cf\u57f7\u884c\u6a21\u5f0f\u5141\u8a31\u7528\u6236\u5c07\u591a\u689dSQL\u547d\u4ee4\u653e\u5728\u4e00\u500b\u8173\u672c\u6587\u4ef6\u4e2d\uff0c\u7136\u5f8c\u4e00\u6b21\u6027\u57f7\u884c\u3002\u9019\u7a2e\u6a21\u5f0f\u9069\u5408\u65bc\u9700\u8981\u57f7\u884c\u5927\u91cf\u6578\u64da\u64cd\u4f5c\u7684\u60c5\u6cc1\uff0c\u4f8b\u5982\u6578\u64da\u9077\u79fb\u6216\u6279\u91cf\u66f4\u65b0\u3002<\/p>\n
db2 -tvf script.sql\n<\/code><\/pre>\n
\u5728\u9019\u88e1\uff0cscript.sql<\/code>\u662f\u5305\u542b\u591a\u689dSQL\u547d\u4ee4\u7684\u6587\u4ef6\u3002\u4f7f\u7528\u6279\u91cf\u57f7\u884c\u6a21\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u3002<\/p>\n
3. \u4e8b\u52d9\u57f7\u884c\u6a21\u5f0f<\/h2>\n
\u4e8b\u52d9\u57f7\u884c\u6a21\u5f0f\u662fDB2\u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u5141\u8a31\u7528\u6236\u5c07\u591a\u500bSQL\u547d\u4ee4\u7d44\u5408\u6210\u4e00\u500b\u4e8b\u52d9\u3002\u9019\u610f\u5473\u8457\u8981\u9ebc\u6240\u6709\u547d\u4ee4\u90fd\u6210\u529f\u57f7\u884c\uff0c\u8981\u9ebc\u5728\u51fa\u73fe\u932f\u8aa4\u6642\u5168\u90e8\u56de\u6efe\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
db2 \"BEGIN TRANSACTION\"\ndb2 \"INSERT INTO employees (name, department) VALUES ('John Doe', 'Sales')\"\ndb2 \"COMMIT\"\n<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u53ea\u6709\u7576\u6240\u6709\u547d\u4ee4\u90fd\u6210\u529f\u57f7\u884c\u5f8c\uff0c\u6578\u64da\u624d\u6703\u88ab\u63d0\u4ea4\u3002\u5982\u679c\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u53ef\u4ee5\u4f7f\u7528ROLLBACK<\/code>\u547d\u4ee4\u4f86\u64a4\u92b7\u6240\u6709\u64cd\u4f5c\u3002<\/p>\n
4. \u9023\u63a5\u6c60\u57f7\u884c\u6a21\u5f0f<\/h2>\n
\u9023\u63a5\u6c60\u57f7\u884c\u6a21\u5f0f\u662f\u91dd\u5c0d\u9ad8\u4e26\u767c\u74b0\u5883\u8a2d\u8a08\u7684\uff0c\u901a\u904e\u91cd\u7528\u5df2\u5efa\u7acb\u7684\u6578\u64da\u5eab\u9023\u63a5\u4f86\u63d0\u9ad8\u6027\u80fd\u3002\u9019\u7a2e\u6a21\u5f0f\u7279\u5225\u9069\u5408\u65bcWeb\u61c9\u7528\u7a0b\u5e8f\uff0c\u56e0\u70ba\u5b83\u80fd\u5920\u6e1b\u5c11\u9023\u63a5\u5efa\u7acb\u7684\u958b\u92b7\u3002<\/p>\n
\u5728\u4f7f\u7528\u9023\u63a5\u6c60\u6642\uff0c\u61c9\u7528\u7a0b\u5e8f\u6703\u5f9e\u6c60\u4e2d\u7372\u53d6\u4e00\u500b\u53ef\u7528\u7684\u9023\u63a5\uff0c\u57f7\u884cSQL\u547d\u4ee4\u5f8c\u518d\u5c07\u9023\u63a5\u653e\u56de\u6c60\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8cc7\u6e90\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/p>\n
5. \u4e8b\u4ef6\u9a45\u52d5\u57f7\u884c\u6a21\u5f0f<\/h2>\n
\u4e8b\u4ef6\u9a45\u52d5\u57f7\u884c\u6a21\u5f0f\u5141\u8a31\u7528\u6236\u6839\u64da\u7279\u5b9a\u4e8b\u4ef6\u81ea\u52d5\u57f7\u884cSQL\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u89f8\u767c\u5668\uff08Trigger\uff09\u4f86\u5728\u6578\u64da\u8868\u4e2d\u63d2\u5165\u3001\u66f4\u65b0\u6216\u522a\u9664\u6578\u64da\u6642\u81ea\u52d5\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n
CREATE TRIGGER after_insert_employee\nAFTER INSERT ON employees\nFOR EACH ROW\nBEGIN\n   INSERT INTO audit_log (action, employee_id) VALUES ('INSERT', NEW.id);\nEND\n<\/code><\/pre>\n
\u9019\u7a2e\u6a21\u5f0f\u80fd\u5920\u81ea\u52d5\u5316\u6578\u64da\u8655\u7406\u904e\u7a0b\uff0c\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
DB2\u6578\u64da\u5eab\u547d\u4ee4\u7684\u57f7\u884c\u6a21\u5f0f\u591a\u6a23\uff0c\u5f9e\u4ea4\u4e92\u5f0f\u57f7\u884c\u5230\u6279\u91cf\u57f7\u884c\uff0c\u518d\u5230\u4e8b\u52d9\u548c\u4e8b\u4ef6\u9a45\u52d5\u6a21\u5f0f\uff0c\u5404\u6709\u5176\u7279\u5b9a\u7684\u61c9\u7528\u5834\u666f\u3002\u4e86\u89e3\u9019\u4e9b\u57f7\u884c\u6a21\u5f0f\u4e0d\u50c5\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u9078\u64c7\u5408\u9069\u7684\u64cd\u4f5c\u65b9\u5f0f\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u9999\u6e2fVPS<\/a><\/code>\u6216\u4e91\u670d\u52a1\u5668<\/a><\/code>\u6709\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22DB2\u6578\u64da\u5eab\u7684\u57f7\u884c\u6a21\u5f0f\uff0c\u5305\u62ec\u4ea4\u4e92\u5f0f\u3001\u6279\u8655\u7406\u548c\u5d4c\u5165\u5f0f\u6a21\u5f0f\uff0c\u4e86\u89e3\u5404\u81ea\u7684\u7279\u9ede\u8207\u61c9\u7528\u5834\u666f\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-60769","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60769","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=60769"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60769\/revisions"}],"predecessor-version":[{"id":60770,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60769\/revisions\/60770"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60769"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60769"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60769"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}