PadLeft function in T-SQL

Question

I have the following table A:

id
----
1
2
12
123
1234

I need to left-pad the id values with zero\'s:

id
----
0         


        

Answer 1

This is what I normally use when I need to pad a value.

SET @PaddedValue = REPLICATE('0', @Length - LEN(@OrigValue)) + CAST(@OrigValue as VARCHAR)