Hi,
Yes, All null's are handled (using isnull), So no chance of Null.
No there is no case-expressions
Part of Stored Proc
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insert into #tmpschedule select top 1000 sch_Id,sch_Cntid,sch_Emailid,sch_Groupid,sch_Userid,sch_type from tbl_Scheduleletter where sch_Senddate <=...