BlogJava-yeafee@夜飞郎-随笔分类-数据库http://www.blogjava.net/yeafee/category/18479.html it's usually better to solve problems with simplicity and finesse rather than muscle.zh-cnWed, 10 Aug 2011 07:25:14 GMTWed, 10 Aug 2011 07:25:14 GMT60SQL:Count Distinct to_Date to_Char last_day add_months Sysdae Group byhttp://www.blogjava.net/yeafee/archive/2007/12/17/168217.html@yeafee@yeafeeMon, 17 Dec 2007 06:00:00 GMThttp://www.blogjava.net/yeafee/archive/2007/12/17/168217.htmlhttp://www.blogjava.net/yeafee/comments/168217.htmlhttp://www.blogjava.net/yeafee/archive/2007/12/17/168217.html#Feedback0http://www.blogjava.net/yeafee/comments/commentRss/168217.htmlhttp://www.blogjava.net/yeafee/services/trackbacks/168217.html阅读全文

@yeafee 2007-12-17 14:00 发表评论
]]>CASE http://www.blogjava.net/yeafee/archive/2007/12/17/168178.html@yeafee@yeafeeMon, 17 Dec 2007 03:12:00 GMThttp://www.blogjava.net/yeafee/archive/2007/12/17/168178.htmlhttp://www.blogjava.net/yeafee/comments/168178.htmlhttp://www.blogjava.net/yeafee/archive/2007/12/17/168178.html#Feedback0http://www.blogjava.net/yeafee/comments/commentRss/168178.htmlhttp://www.blogjava.net/yeafee/services/trackbacks/168178.html阅读全文

@yeafee 2007-12-17 11:12 发表评论
]]>sql中CASE的用法(借)http://www.blogjava.net/yeafee/archive/2007/07/11/129557.html@yeafee@yeafeeWed, 11 Jul 2007 03:24:00 GMThttp://www.blogjava.net/yeafee/archive/2007/07/11/129557.htmlhttp://www.blogjava.net/yeafee/comments/129557.htmlhttp://www.blogjava.net/yeafee/archive/2007/07/11/129557.html#Feedback0http://www.blogjava.net/yeafee/comments/commentRss/129557.htmlhttp://www.blogjava.net/yeafee/services/trackbacks/129557.html
CASE input_expression
WHEN when_expression THEN result_expression
[ ...n ]
[
ELSE else_result_expression
END

CASE 搜索函数：

CASE
WHEN Boolean_expression THEN result_expression
[ ...n ]
[
ELSE else_result_expression
END  阅读全文

@yeafee 2007-07-11 11:24 发表评论
]]>实例解析几条有用的SQL操作http://www.blogjava.net/yeafee/archive/2007/07/11/129544.html@yeafee@yeafeeWed, 11 Jul 2007 03:02:00 GMThttp://www.blogjava.net/yeafee/archive/2007/07/11/129544.htmlhttp://www.blogjava.net/yeafee/comments/129544.htmlhttp://www.blogjava.net/yeafee/archive/2007/07/11/129544.html#Feedback0http://www.blogjava.net/yeafee/comments/commentRss/129544.htmlhttp://www.blogjava.net/yeafee/services/trackbacks/129544.html阅读全文

@yeafee 2007-07-11 11:02 发表评论
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