mcfarlandparkway (9/28/2016)

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TY for the response, In the recent code we are selecting data form temp table where DOC NOT IN (select DOC from table where code<> -1)

This is what the same we are trying to implement here. DOC will replace with all these 3 columns(emp1,emp2 and emp3)

That's why I tried to separate with comma and again select those columns in the query.

Structure should be same..

that's why I tried select * from Employee where (emp1,emp2,emp3) IN (select emp1,emp2,emp3 from employee)

In the where clause I can use the code which you provided to CAST in the select statement looks good to me.