{"id":60793,"date":"2024-10-13T05:51:15","date_gmt":"2024-10-12T21:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60793\/"},"modified":"2024-10-13T05:51:15","modified_gmt":"2024-10-12T21:51:15","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e4%bd%bf%e7%94%a8%e7%9a%8414%e5%80%8b%e7%b6%93%e5%85%b8%e5%b0%8f%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60793\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u4f7f\u7528\u768414\u500b\u7d93\u5178\u5c0f\u6280\u5de7"},"content":{"rendered":"

DB2\u6578\u64da\u5eab\u4f7f\u7528\u768414\u500b\u7d93\u5178\u5c0f\u6280\u5de7<\/h1>\n

DB2\u6578\u64da\u5eab\u662fIBM\u63a8\u51fa\u7684\u4e00\u6b3e\u5f37\u5927\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u4f01\u696d\u7d1a\u61c9\u7528\u4e2d\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u3001\u67e5\u8a62\u9084\u662f\u7ba1\u7406\uff0cDB2\u90fd\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684\u529f\u80fd\u548c\u9748\u6d3b\u6027\u3002\u672c\u6587\u5c07\u4ecb\u7d3914\u500b\u7d93\u5178\u7684\u5c0f\u6280\u5de7\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u4f7f\u7528DB2\u6578\u64da\u5eab\u3002<\/p>\n

1. \u4f7f\u7528\u7d22\u5f15\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd<\/h2>\n

\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u901a\u904e\u5728\u7d93\u5e38\u67e5\u8a62\u7684\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6642\u9593\u3002\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u5275\u5efa\u7d22\u5f15\uff1a<\/p>\n

CREATE INDEX idx_column_name ON table_name(column_name);<\/code><\/pre>\n
2. \u9069\u7576\u4f7f\u7528\u8868\u7a7a\u9593<\/h2>\n
\u8868\u7a7a\u9593\u662fDB2\u4e2d\u7528\u4f86\u7ba1\u7406\u6578\u64da\u7684\u908f\u8f2f\u7d50\u69cb\u3002\u5408\u7406\u5283\u5206\u8868\u7a7a\u9593\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b58\u53d6\u6548\u7387\uff0c\u4e26\u4fbf\u65bc\u7ba1\u7406\u3002\u5efa\u8b70\u5c07\u4e0d\u540c\u985e\u578b\u7684\u6578\u64da\u653e\u5728\u4e0d\u540c\u7684\u8868\u7a7a\u9593\u4e2d\u3002<\/p>\n
3. \u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7dad\u8b77<\/h2>\n
\u5b9a\u671f\u57f7\u884c\u6578\u64da\u5eab\u7dad\u8b77\u4efb\u52d9\uff0c\u5982\u91cd\u7d44\u8868\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff0c\u53ef\u4ee5\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/p>\n
RUNSTATS ON TABLE table_name;<\/code><\/pre>\n
4. \u4f7f\u7528\u8996\u5716\u7c21\u5316\u67e5\u8a62<\/h2>\n
\u8996\u5716\u53ef\u4ee5\u5c07\u8907\u96dc\u7684\u67e5\u8a62\u5c01\u88dd\u8d77\u4f86\uff0c\u7c21\u5316\u7528\u6236\u7684\u67e5\u8a62\u904e\u7a0b\u3002\u5275\u5efa\u8996\u5716\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE VIEW view_name AS SELECT column1, column2 FROM table_name WHERE condition;<\/code><\/pre>\n
5. \u5229\u7528\u5b58\u5132\u904e\u7a0b\u63d0\u9ad8\u6548\u7387<\/h2>\n
\u5b58\u5132\u904e\u7a0b\u53ef\u4ee5\u5c07\u591a\u500bSQL\u8a9e\u53e5\u5c01\u88dd\u5728\u4e00\u8d77\uff0c\u6e1b\u5c11\u7db2\u7d61\u50b3\u8f38\u7684\u6b21\u6578\uff0c\u63d0\u9ad8\u57f7\u884c\u6548\u7387\u3002\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE PROCEDURE procedure_name AS BEGIN SQL_STATEMENTS END;<\/code><\/pre>\n
6. \u4f7f\u7528\u89f8\u767c\u5668\u81ea\u52d5\u5316\u64cd\u4f5c<\/h2>\n
\u89f8\u767c\u5668\u53ef\u4ee5\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u81ea\u52d5\u57f7\u884c\u64cd\u4f5c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u624b\u52d5\u64cd\u4f5c\u7684\u932f\u8aa4\u3002\u5275\u5efa\u89f8\u767c\u5668\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE TRIGGER trigger_name AFTER INSERT ON table_name FOR EACH ROW BEGIN SQL_STATEMENTS END;<\/code><\/pre>\n
7. \u512a\u5316SQL\u67e5\u8a62<\/h2>\n
\u512a\u5316SQL\u67e5\u8a62\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u4e26\u4f7f\u7528JOIN\u800c\u4e0d\u662f\u5b50\u67e5\u8a62\u3002<\/p>\n
8. \u4f7f\u7528DB2\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177<\/h2>\n
DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u5982DB2 Performance Expert\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5206\u6790\u548c\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n
9. \u8a2d\u7f6e\u5408\u9069\u7684\u7de9\u885d\u5340\u5927\u5c0f<\/h2>\n
\u7de9\u885d\u5340\u7684\u5927\u5c0f\u5c0d\u6578\u64da\u5eab\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u97ff\u3002\u6839\u64da\u7cfb\u7d71\u7684\u5167\u5b58\u548c\u6578\u64da\u91cf\uff0c\u5408\u7406\u8a2d\u7f6e\u7de9\u885d\u5340\u5927\u5c0f\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
10. \u5b9a\u671f\u5099\u4efd\u6578\u64da<\/h2>\n
\u5b9a\u671f\u5099\u4efd\u6578\u64da\u662f\u4fdd\u8b77\u6578\u64da\u7684\u91cd\u8981\u63aa\u65bd\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u5099\u4efd\uff1a<\/p>\n
BACKUP DATABASE database_name TO '\/backup\/location';<\/code><\/pre>\n
11. \u4f7f\u7528DB2\u7684\u5b89\u5168\u529f\u80fd<\/h2>\n
DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5b89\u5168\u529f\u80fd\uff0c\u5982\u7528\u6236\u6b0a\u9650\u7ba1\u7406\u548c\u6578\u64da\u52a0\u5bc6\u3002\u5408\u7406\u914d\u7f6e\u9019\u4e9b\u529f\u80fd\u53ef\u4ee5\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n
12. \u76e3\u63a7\u548c\u8abf\u6574\u9023\u63a5\u6578\u91cf<\/h2>\n
\u904e\u591a\u7684\u9023\u63a5\u6703\u5f71\u97ff\u6578\u64da\u5eab\u6027\u80fd\u3002\u5b9a\u671f\u76e3\u63a7\u9023\u63a5\u6578\u91cf\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n
13. \u4f7f\u7528\u5206\u5340\u8868\u63d0\u9ad8\u6027\u80fd<\/h2>\n
\u5206\u5340\u8868\u53ef\u4ee5\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u4f4d\u7f6e\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u5275\u5efa\u5206\u5340\u8868\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
CREATE TABLE table_name (column1 datatype, column2 datatype) PARTITION BY RANGE(column_name) (PARTITION p1 VALUES LESS THAN (value1), PARTITION p2 VALUES LESS THAN (value2));<\/code><\/pre>\n
14. \u5b9a\u671f\u6aa2\u67e5\u932f\u8aa4\u65e5\u8a8c<\/h2>\n
\u5b9a\u671f\u6aa2\u67e5\u932f\u8aa4\u65e5\u8a8c\u53ef\u4ee5\u53ca\u6642\u767c\u73fe\u548c\u89e3\u6c7a\u554f\u984c\uff0c\u4fdd\u6301\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u4ee5\u4e0a14\u500b\u5c0f\u6280\u5de7\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u4f7f\u7528DB2\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u7121\u8ad6\u662f\u4f01\u696d\u9084\u662f\u500b\u4eba\u958b\u767c\u8005\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u90fd\u80fd\u4f7f\u6578\u64da\u5eab\u7ba1\u7406\u8b8a\u5f97\u66f4\u52a0\u9ad8\u6548\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d2214\u500bDB2\u6578\u64da\u5eab\u7d93\u5178\u5c0f\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u3001\u512a\u5316\u67e5\u8a62\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u9ad8\u6548\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-60793","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60793","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=60793"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60793\/revisions"}],"predecessor-version":[{"id":60794,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60793\/revisions\/60794"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}