while loop in sql server

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hi
i am making loop in sql server to access the value from param1,param2 and param3

SQL

 declare @param1 char(6)='aaaaaa'
declare @param2 char(6)='bbbbb'
declare @param3 char(6)
declare @stepno int


while @stepno <=3
begin

select @param+convert(char(3),@stepno)

set @stepno=@stepno+1
end

here @param is not paramter eror come

i want that get value from 3 paramter in single line

thanks

Posted 29-Apr-13 20:10pm

balongi

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OriginalGriff · Answer 1 · 2013-04-29T20:20:00

You can't do that. Parameters have to be resolved at "compile time", not run time.

The only reason I can see for doing this would be to have a variable number of parameters, and sql doesn't let you do that.

What are you actually trying to achieve, that you think this would be a good idea?