The RPAD function returns an right padded expression to a specified length with the specified characters.
Rpad syntax
RPAD( expression, length, [ pad_expression ] )
Rpad example
select rpad('learn', 5) from dual; Result: learn select rpad('learn', 3) from dual; Result: lea select rpad('learn', 6,'0') from dual; Result: learn0 select rpad('learn', 7,'0') from dual; Result: learn00 select rpad('learn', 7,'0') from dual; Result: learn000