01 2015 档案

sql server 日期类型
摘要：下面是结果集：数据类型输出time12:35:29.1234567date2007-05-08smalldatetime2007-05-08 12:35:00datetime2007-05-08 12:35:29.123datetime22007-05-08 12:35:29.1234567date... 阅读全文
posted @ 2015-01-02 21:20 电工男 阅读(147) 评论(0) 推荐(0)
比较 IDENT_CURRENT、@@IDENTITY 和 SCOPE_IDENTITY 返回的标识值
摘要：SELECT @@IDENTITY;/*针对当前会话,所有作用域Returns the value 100. This was inserted by the trigger.*/SELECT SCOPE_IDENTITY();/* 针对当前会话,当前作用域Returns the value 1. ... 阅读全文
posted @ 2015-01-02 02:18 电工男 阅读(150) 评论(0) 推荐(0)