decimal function
Applies to: 
Databricks SQL Databricks Runtime
Casts the value expr to DECIMAL. This function is a synonym for CAST(expr AS decimal(10, 0)). See cast function for details.
Syntax
decimal(expr)
Arguments
expr: An expression that can be cast to DECIMAL.
Returns
The result is DECIMAL(10, 0).
Examples
> SELECT decimal('5.2');
5