{"id":60437,"date":"2024-10-13T02:51:15","date_gmt":"2024-10-12T18:51:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60437\/"},"modified":"2024-10-13T02:51:15","modified_gmt":"2024-10-12T18:51:15","slug":"db2%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4%e5%a4%a7%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60437\/","title":{"rendered":"DB2\u5e38\u7528\u547d\u4ee4\u5927\u5168"},"content":{"rendered":"

DB2\u5e38\u7528\u547d\u4ee4\u5927\u5168<\/h1>\n

IBM\u7684DB2\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u4f01\u4e1a\u7ea7\u5e94\u7528\u4e2d\u3002\u638c\u63e1DB2\u7684\u5e38\u7528\u547d\u4ee4\u5bf9\u4e8e\u6570\u636e\u5e93\u7ba1\u7406\u5458\u548c\u5f00\u53d1\u4eba\u5458\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9bDB2\u7684\u5e38\u7528\u547d\u4ee4\uff0c\u5e2e\u52a9\u7528\u6237\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u6570\u636e\u5e93\u3002<\/p>\n

1. \u8fde\u63a5\u4e0e\u65ad\u5f00\u6570\u636e\u5e93<\/h2>\n

\u5728\u4f7f\u7528DB2\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u8fde\u63a5\u548c\u65ad\u5f00\u6570\u636e\u5e93\u7684\u57fa\u672c\u547d\u4ee4\uff1a<\/p>\n

-- \u8fde\u63a5\u5230\u6570\u636e\u5e93\nCONNECT TO  USER  USING ;\n\n-- \u65ad\u5f00\u6570\u636e\u5e93\u8fde\u63a5\nCONNECT RESET;<\/code><\/pre>\n
2. \u6570\u636e\u5e93\u5bf9\u8c61\u7ba1\u7406<\/h2>\n
DB2\u5141\u8bb8\u7528\u6237\u521b\u5efa\u3001\u4fee\u6539\u548c\u5220\u9664\u6570\u636e\u5e93\u5bf9\u8c61\uff0c\u5982\u8868\u3001\u89c6\u56fe\u548c\u7d22\u5f15\u3002\u4ee5\u4e0b\u662f\u76f8\u5173\u547d\u4ee4\uff1a<\/p>\n
2.1 \u521b\u5efa\u8868<\/h3>\n
CREATE TABLE  (\n      [],\n      [],\n    ...\n);<\/code><\/pre>\n
2.2 \u4fee\u6539\u8868<\/h3>\n
ALTER TABLE 
 \nADD COLUMN  ;<\/code><\/pre>\n
2.3 \u5220\u9664\u8868<\/h3>\n
DROP TABLE 
;<\/code><\/pre>\n
3. \u6570\u636e\u64cd\u4f5c\u547d\u4ee4<\/h2>\n
\u6570\u636e\u64cd\u4f5c\u547d\u4ee4\u7528\u4e8e\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u589e\u3001\u5220\u3001\u6539\u3001\u67e5\u7b49\u64cd\u4f5c\u3002<\/p>\n
3.1 \u63d2\u5165\u6570\u636e<\/h3>\n
INSERT INTO 
 (, , ...)\nVALUES (, , ...);<\/code><\/pre>\n
3.2 \u67e5\u8be2\u6570\u636e<\/h3>\n
SELECT , , ...\nFROM 
\nWHERE ;<\/code><\/pre>\n
3.3 \u66f4\u65b0\u6570\u636e<\/h3>\n
UPDATE 
\nSET  = ,  = \nWHERE ;<\/code><\/pre>\n
3.4 \u5220\u9664\u6570\u636e<\/h3>\n
DELETE FROM 
\nWHERE ;<\/code><\/pre>\n
4. \u4e8b\u52a1\u7ba1\u7406<\/h2>\n
DB2\u652f\u6301\u4e8b\u52a1\u7ba1\u7406\uff0c\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u4ee5\u4e0b\u662f\u76f8\u5173\u547d\u4ee4\uff1a<\/p>\n
-- \u5f00\u59cb\u4e8b\u52a1\nBEGIN;\n\n-- \u63d0\u4ea4\u4e8b\u52a1\nCOMMIT;\n\n-- \u56de\u6eda\u4e8b\u52a1\nROLLBACK;<\/code><\/pre>\n
5. \u7528\u6237\u4e0e\u6743\u9650\u7ba1\u7406<\/h2>\n
\u5728DB2\u4e2d\uff0c\u7528\u6237\u548c\u6743\u9650\u7ba1\u7406\u662f\u786e\u4fdd\u6570\u636e\u5e93\u5b89\u5168\u7684\u91cd\u8981\u90e8\u5206\u3002\u4ee5\u4e0b\u662f\u76f8\u5173\u547d\u4ee4\uff1a<\/p>\n
5.1 \u521b\u5efa\u7528\u6237<\/h3>\n
CREATE USER  IDENTIFIED BY ;<\/code><\/pre>\n
5.2 \u6388\u4e88\u6743\u9650<\/h3>\n
GRANT  ON  TO ;<\/code><\/pre>\n
5.3 \u64a4\u9500\u6743\u9650<\/h3>\n
REVOKE  ON  FROM ;<\/code><\/pre>\n
6. \u6027\u80fd\u76d1\u63a7\u4e0e\u4f18\u5316<\/h2>\n
DB2\u63d0\u4f9b\u4e86\u4e00\u4e9b\u547d\u4ee4\u7528\u4e8e\u76d1\u63a7\u548c\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\uff1a<\/p>\n
-- \u67e5\u770b\u5f53\u524d\u6d3b\u52a8\u7684\u4f1a\u8bdd\nLIST APPLICATIONS;\n\n-- \u67e5\u770b\u8868\u7684\u7edf\u8ba1\u4fe1\u606f\nRUNSTATS ON TABLE 
;<\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
\u638c\u63e1DB2\u7684\u5e38\u7528\u547d\u4ee4\u5bf9\u4e8e\u6570\u636e\u5e93\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u672c\u6587\u4ecb\u7ecd\u7684\u547d\u4ee4\uff0c\u7528\u6237\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u8fdb\u884c\u6570\u636e\u5e93\u7684\u65e5\u5e38\u7ef4\u62a4\u548c\u7ba1\u7406\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9ad8\u6548\u7684\u6570\u636e\u5e93\u89e3\u51b3\u65b9\u6848\uff0c\u8003\u8651\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6765\u6258\u7ba1\u60a8\u7684DB2\u6570\u636e\u5e93\uff0c\u786e\u4fdd\u5176\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22DB2\u5e38\u7528\u547d\u4ee4\u5927\u5168\uff0c\u83b7\u53d6\u5168\u9762\u7684\u6570\u636e\u5e93\u7ba1\u7406\u3001\u67e5\u8be2\u548c\u7ef4\u62a4\u547d\u4ee4\uff0c\u63d0\u5347\u60a8\u7684DB2\u4f7f\u7528\u6548\u7387\u4e0e\u6280\u80fd\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-60437","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60437","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=60437"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60437\/revisions"}],"predecessor-version":[{"id":60438,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60437\/revisions\/60438"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60437"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60437"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60437"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}