SQL 两个时间段 不能重复语句

 DECLARE @BeginDate datetime;
 DECLARE @EndDate datetime;
 set @BeginDate='2015-03-2'
 set @EndDate='2015-03-2'
 SELECT * FROM Table
 where
 (BeginDate between @BeginDate and @EndDate) or
 (EndDate between @BeginDate and @EndDate) or
 (@BeginDate between BeginDate and EndDate) or
 (@EndDate between BeginDate and EndDate)              

 DECLARE @BeginDate datetime;
 DECLARE @EndDate datetime;
 set @BeginDate='2014-03-2'
 set @EndDate='2015-06-2'
 SELECT * FROM Table
 where
 @BeginDate<=Date and
 Date <=@EndDate
 order by Date 

第一个是时间段和时间段

第二个是时间段和时间点