在SQL Server中查询本周 本月 本期, 本年的记录
表名为：tableName时间字段名为：theDate
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datePart函数
日期部分缩写yearyy, yyyyquarterqq, qmonthmm, mdayofyeardy, ydaydd, dweekwk, wwweekdaydwHourhhminutemi, nsecondss, smillisecondms
查询本月的记录
select * from tableName where DATEPART(mm, theDate) = DATEPART(mm, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
查询本周的记录
select * from tableName where DATEPART(wk, theDate) = DATEPART(wk, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
查询本季的记录
select * from tableName where DATEPART(qq, theDate) = DATEPART(qq, GETDATE()) and DATEPART(yy, theDate) = DATEPART(yy, GETDATE())
其中:GETDATE()是获得系统时间的函数。 --------------------------------------------------------------------------------------------------------------------------------------------------
datediff函数
日期部分缩写yearyy, yyyyquarterqq, qMonthmm, mdayofyeardy, yDaydd, dWeekwk, wwHourhhminutemi, nsecondss, smillisecondms
查询本日的记录
select count(*) from tableName where (DATEDIFF(dd, theDate, GETDATE()) = 0)
查询本月的记录
select count(*) from tableName where (DATEDIFF(mm, theDate, GETDATE()) = 0)
查询本年的记录
select count(*) from tableName where (DATEDIFF(yy, theDate, GETDATE()) = 0)
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