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

Old post, but maybe this helps someone out:

To complete until it ends up with 4 non-blank characters:

SELECT RIGHT ('0000'+COLUMNNAME, 4) FROM TABLENAME;

To complete until 10:

SELECT RIGHT ('0000000000'+COLUMNNAME, 10) FROM TABLENAME;

In case the column is numeric, convert it to varchar first with such code:

Select RIGHT('0000'+Convert(nvarchar(20), COLUMNNAME), 4)
From TABLENAME

And to complete until 10 with a numeric field:

SELECT RIGHT ('0000000000'+Convert(nvarchar(20), COLUMNNAME), 10) FROM TABLENAME;