Have a Look at RPAD

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RPAD

 Syntax: RPAD( var, padded_length ,x )

 Paramters:
var -> String/DateType/Number
x -> String/DateType/Number

 Return Type: String Value

 Use Case: 
If manager wants to postal code of all the locations where its organization has offices in presentable manner.

select city,rpad(postal_code,12,'*') from locations;


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