查询说时间段内所有周六日
DECLARE @t TABLE(date0 DATETIME) DECLARE @st DATETIME,@et DATETIME SET @st=\'2007-01-01\' SET @et=\'2008-01-01\' WHILE @st <@et BEGIN INSERT INTO @t VALUES(@st) SELECT @st=DATEADD(DAY,1,@st) END SELECT date0,DATENAME(weekday,date0) FROM @t WHERE DATEPART(weekday,date0+@@DATEFIRST-1) IN (6,7)