Replacing null with zero

Question

Hi I have following select command in SQL Server. I am trying to change it so if b.bId is null i want to assign it 0 value. So it displays 0 in the field.

selec         


        

Answer 1

Or you can use the COALESCE Function

COALESCE(b.bId, 0) AS bId

Performance: ISNULL vs. COALESCE