right function
Applies to:  Databricks SQL 
 Databricks Runtime
Returns the rightmost len characters from the string str.
Syntax
right(str, len)
Arguments
- str: A- STRINGexpression.
- len: An integral number expression.
Returns
A STRING.
If len is less than or equal to 0, an empty string.
Examples
SQL
> SELECT right('Spark SQL', 3);
 SQL