One benefit of adding a second table source that is joined to the first table source in the Physical Layer by a foreign key relationship is that______.

One benefit of adding a second table source that is joined to the first table source in the Physical
Layer by a foreign key relationship is that______.

A.
Multiple SQL queries are performed

B.
Two SQL queries are performed to get data from both tables

C.
A single SQL query is performed to get data from both tables

D.
No SQL queries are performed against the source tables

Explanation:
A single query can be performed accessing data from both tables through a join on
the columns in the foreign key relation.