how to use if else in sql server with where clause - 


create procedure findlist @comedianname1 nvarchar(30),@comedianname2 nvarchar(30) select comedian  comedian if @comedianname2!=null begin comedian! = @comedianname1 , comedian! = @comedianname2 end else begin comedian! = @comedianname1 end go

i getting error : msg 156, level 15, state 1, procedure findlist, line 7 incorrect syntax near keyword 'where'.

you can not use if in select. instead in case:

select comedian  comedian     comedian! = @comedianname1 ,     comedian! = isnull(@comedianname2, comedian!)

what do? if compares comedian! @comedianname1 , if @comedianname2 not null, compares comedian! @comedianname2. otherwise compares comedian! comedian!, true.


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