摘要: print getdate(); print datediff(year,'1987-09-13',getdate()) select * from CallRecords select top 5 *,'通话时间(秒)'=DATEDIFF(s,CallRecords.StartDateTime,C 阅读全文
posted @ 2019-02-14 21:54 咖啡无眠 阅读(204) 评论(0) 推荐(0) 编辑