Simplicity - maps provide a single interface to fields in multiple tables. This means that any object referencing
the map field can be used against multiple tables without changing any field names.
Consistency - table fields with varying names can be accessed in code in a consistent manner.
For example by using a map, fields named Zip in one table, ZipCode in another, and PostalCode in yet another table can all be
accessed by the name ZipCode.
Code reuse - a map method enables you to add code that runs against the map fields. A single map method
prevents the duplication of methods and code on each table
the map field can be used against multiple tables without changing any field names.
Consistency - table fields with varying names can be accessed in code in a consistent manner.
For example by using a map, fields named Zip in one table, ZipCode in another, and PostalCode in yet another table can all be
accessed by the name ZipCode.
Code reuse - a map method enables you to add code that runs against the map fields. A single map method
prevents the duplication of methods and code on each table
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