Question : The common fields used in a relationship between tables are called :
Option 1: Joint fields
Option 2: Main fields
Option 3: Table fields
Option 4: Key fields
Correct Answer: Key fields
Solution : An attribute or collection of attributes that aid in the unique identification of a row (or tuple) in a table (or relation) is referred to as a key. Key Fields are the fields that are used to create a relationship between two or more tables.