日期和时间数据的处理. (1)字符串日期 ‘20080301’,这一串为字符串日期,但必须保证为四位的年份,两位的月份,两位的日期.例如,查询订单表日期大于‘20080301’.可以这样写: 1 select * from sales.orders 2 where orderdate>'20080301' 结果如图所示: (2)cast进行转化.例如,可以讲‘20080301’转化为时间类型.其结果跟上图一样. 1 select * from sales.orders 2 where order
今天的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,getdate())=0昨天的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,getdate())=17天内的所有数据:select * from 表名 where DateDiff(dd,datetime类型字段,getdate())<=730天内的所有数据:select * from 表名 where DateDiff(dd
--查询当天: select * from info where DateDiff(dd,datetime,getdate())=0 --查询24小时内的: select * from info where DateDiff(hh,datetime,getDate())<=24 --本月记录 SELECT * FROM 表 WHERE datediff(month,[dateadd],getdate())=0 --本周记录 SELECT * FROM 表 WHERE
--根据日期查询星期SELECT SYSDATETIME();select datepart(weekday,getdate()); SET DATEFIRST 1select '星期'+case when cast(datepart(dw,getdate()) as char(1))= 7 then '天' else cast(datepart(dw,getdate()) as char(1)) end select @@datefirst; datefirst 一般美国采用星期天作为一周的第
select GETDATE() as '当前日期',DateName(year,GetDate()) as '年',DateName(month,GetDate()) as '月',DateName(day,GetDate()) as '日',DateName(dw,GetDate()) as '星期',DateName(week,GetDate()) as '周数',DateName(hour,GetDate()) as '时',DateName(minute,GetDate()) as '
因项目要求,需要把SQLSERVER一张客户表的数据同步到oracle库的一张客户表,但两张表有时间类型不一致,需要进行转换 如下: SELECT CUSTCODE,AgreementValidity_Start, convert(datetime,replace(replace(replace(AgreementValidity_End,'年', '-'),'月','-'),'日','')) FROM [APEXMIS].[dbo].[Customer] where CUSTCODE='SZX