Key To Represent a Relationship Between Tables is Called?

Answer: It is referred to as a foreign key when the primary key of one relation is used as an attribute in another relation.

A foreign key contributes to the process of defining the relationship between tables. Within a relational database, this one-of-a-kind key is responsible for communicating any number of interrelationships that exist between two or more tables. The data or information category in a particular table that is indicated in the new table as the primary key column is denoted by the foreign key here. The primary key column is located in the new table. Therefore, the foreign key contributes to the process of determining the relationship between the tables.