Lab 4. Creating a New Datatype

Modify the schema that you created in Lab 3.
Create a new datatype called money and declare
the cost element to be of that type.

Hint:  here are the facets for the decimal 
built-in datatype:

precision - the total number of digits allowable in the number (including the
            digits to the right of the decimal point)
scale - the nymber of digits to the right of the decimal point
maxInclusive
maxExclusive
minInclusive
minExclusive
enumeration