Final answer:
A Schema Map provides a graphical representation of other tables related to a specific table, either through class extension or reference.
Step-by-step explanation:
The graphical representation of other tables related to a specific table, either through class extension or reference, is called a Schema Map. A schema map visually displays the relationships between tables in a database. It shows how different tables are connected through primary and foreign keys, allowing users to understand the structure and dependencies of the database.