2016-08-08 25 views

Antwort

0

ich tue, um so etwas zu tun:

select * from emp 
<isLessEqual property="dateParam" compareValue="2015-03-01"> 
    union 
    select * from emp1 
</isLessEqual> 
<isLessEqual property="dateParam" compareValue="2013-03-01"> 
    union 
    select * from emp1 
</isLessEqual>