Question

Key to represent relationship between tables is called

Answer 1

Answer:

Primary key of one relation used as an attribute in another relation is called foreign key.

Answer 2

Foreign key is used to represent the relationship between two tables.

Explanation:

A foreign key helps in establishing “the relationship among tables”. This particular key expresses one to numerous interrelations among two or more tables in a relational database. Here, the foreign key denotes about the data or group of data in a particular table, which is point to as the “primary key” columns in a new table. Therefore, foreign key assists to specify the relationship between tables.