\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cIBM\u7684DB2\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u638c\u63e1DB2\u7684\u547d\u4ee4\u57f7\u884c\u6280\u5de7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\uff0c\u9084\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39DB2\u547d\u4ee4\u57f7\u884c\u7684\u516d\u5927\u7d55\u62db\uff0c\u5e6b\u52a9\u7528\u6236\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n
DB2\u652f\u6301SQL\u8a9e\u8a00\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u9748\u6d3b\u5730\u67e5\u8a62\u6578\u64da\u3002\u4f7f\u7528\u57fa\u672c\u7684SELECT\u8a9e\u53e5\u53ef\u4ee5\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT * FROM customers WHERE country = 'Hong Kong';<\/code><\/pre>\n\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u4f86\u81ea\u9999\u6e2f\u7684\u5ba2\u6236\u4fe1\u606f\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u4e00\u6b65\u7be9\u9078\u548c\u6392\u5e8f\u6578\u64da\u3002<\/p>\n
2. \u5229\u7528\u5b58\u5132\u904e\u7a0b\u63d0\u9ad8\u6548\u7387<\/h2>\n
\u5b58\u5132\u904e\u7a0b\u662f\u4e00\u7d44\u9810\u7de8\u8b6f\u7684SQL\u8a9e\u53e5\uff0c\u53ef\u4ee5\u5728DB2\u4e2d\u91cd\u8907\u4f7f\u7528\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u57f7\u884c\u6548\u7387\uff0c\u9084\u6e1b\u5c11\u4e86\u7db2\u7d61\u6d41\u91cf\u3002\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE PROCEDURE GetCustomerByCountry(IN countryName VARCHAR(50))\nBEGIN\n SELECT * FROM customers WHERE country = countryName;\nEND;<\/code><\/pre>\n\u7528\u6236\u53ef\u4ee5\u901a\u904e\u8abf\u7528\u9019\u500b\u5b58\u5132\u904e\u7a0b\u4f86\u5feb\u901f\u7372\u53d6\u7279\u5b9a\u570b\u5bb6\u7684\u5ba2\u6236\u4fe1\u606f\u3002<\/p>\n
3. \u4f7f\u7528\u7d22\u5f15\u52a0\u901f\u67e5\u8a62<\/h2>\n
\u5728DB2\u4e2d\uff0c\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u70ba\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u5275\u5efa\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/p>\n
CREATE INDEX idx_country ON customers(country);<\/code><\/pre>\n\u9019\u6a23\uff0c\u7576\u7528\u6236\u67e5\u8a62\u7279\u5b9a\u570b\u5bb6\u7684\u5ba2\u6236\u6642\uff0cDB2\u5c07\u80fd\u5920\u66f4\u5feb\u5730\u8fd4\u56de\u7d50\u679c\u3002<\/p>\n
4. \u638c\u63e1\u4e8b\u52d9\u7ba1\u7406<\/h2>\n
DB2\u652f\u6301\u4e8b\u52d9\u7ba1\u7406\uff0c\u9019\u5c0d\u65bc\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u81f3\u95dc\u91cd\u8981\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528BEGIN\u3001COMMIT\u548cROLLBACK\u547d\u4ee4\u4f86\u7ba1\u7406\u4e8b\u52d9\u3002\u4f8b\u5982\uff1a<\/p>\n
BEGIN;\nUPDATE customers SET status = 'active' WHERE id = 1;\nCOMMIT;<\/code><\/pre>\n\u9019\u6bb5\u4ee3\u78bc\u5c07\u66f4\u65b0\u5ba2\u6236\u72c0\u614b\u4e26\u63d0\u4ea4\u66f4\u6539\u3002\u5982\u679c\u5728\u66f4\u65b0\u904e\u7a0b\u4e2d\u51fa\u73fe\u932f\u8aa4\uff0c\u7528\u6236\u53ef\u4ee5\u4f7f\u7528ROLLBACK\u4f86\u64a4\u92b7\u66f4\u6539\u3002<\/p>\n
5. \u4f7f\u7528DB2\u547d\u4ee4\u884c\u5de5\u5177<\/h2>\n
DB2\u63d0\u4f9b\u4e86\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5141\u8a31\u7528\u6236\u76f4\u63a5\u5728\u7d42\u7aef\u4e2d\u57f7\u884cSQL\u547d\u4ee4\u3002\u9019\u5c0d\u65bc\u5feb\u901f\u6e2c\u8a66\u548c\u8abf\u8a66\u975e\u5e38\u6709\u7528\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u5165DB2\u547d\u4ee4\u884c\uff1a<\/p>\n
db2 connect to mydb user myuser using mypassword;<\/code><\/pre>\n\u9023\u63a5\u5f8c\uff0c\u7528\u6236\u53ef\u4ee5\u76f4\u63a5\u57f7\u884cSQL\u8a9e\u53e5\uff0c\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n
6. \u5b9a\u671f\u5099\u4efd\u548c\u6062\u5fa9\u6578\u64da<\/h2>\n
\u6578\u64da\u7684\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\uff0cDB2\u63d0\u4f9b\u4e86\u5099\u4efd\u548c\u6062\u5fa9\u7684\u529f\u80fd\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u6578\u64da\u5eab\u5099\u4efd\uff1a<\/p>\n
db2 backup database mydb to \/backup;<\/code><\/pre>\n\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5728\u610f\u5916\u60c5\u6cc1\u4e0b\u4e0d\u6703\u4e1f\u5931\u3002\u540c\u6a23\uff0c\u7528\u6236\u4e5f\u53ef\u4ee5\u4f7f\u7528\u76f8\u61c9\u7684\u6062\u5fa9\u547d\u4ee4\u4f86\u6062\u5fa9\u6578\u64da\u5eab\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u638c\u63e1DB2\u547d\u4ee4\u57f7\u884c\u7684\u516d\u5927\u7d55\u62db\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002\u7121\u8ad6\u662f\u4f7f\u7528SQL\u8a9e\u53e5\u67e5\u8a62\u6578\u64da\uff0c\u9084\u662f\u5229\u7528\u5b58\u5132\u904e\u7a0b\u548c\u7d22\u5f15\u52a0\u901f\u67e5\u8a62\uff0c\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u70ba\u7528\u6236\u5e36\u4f86\u5be6\u969b\u7684\u597d\u8655\u3002\u6b64\u5916\uff0c\u4e8b\u52d9\u7ba1\u7406\u3001\u547d\u4ee4\u884c\u5de5\u5177\u7684\u4f7f\u7528\u4ee5\u53ca\u5b9a\u671f\u5099\u4efd\u548c\u6062\u5fa9\u6578\u64da\u7684\u7b56\u7565\uff0c\u90fd\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u548c\u5b8c\u6574\u6027\u7684\u95dc\u9375\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u638c\u63e1DB2\u547d\u4ee4\u57f7\u884c\u76846\u5927\u7d55\u62db\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u8b93\u4f60\u7684DB2\u64cd\u4f5c\u66f4\u5f97\u5fc3\u61c9\u624b\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-60577","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60577","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=60577"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60577\/revisions"}],"predecessor-version":[{"id":60578,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60577\/revisions\/60578"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}