When using the relational model to represent two tables, one must ________.
A) add a foreign key to one of the tables
B) have more than two identifiers in the model
C) establish only N:M relationships between the tables
D) use metadata instead of foreign keys

Question

Quizplus · Accepted Answer

In the relational model, tables are related to each other through foreign keys that reference primary keys in other tables. Therefore, to represent a relationship between two tables, one must add a foreign key to one of the tables that references the primary key of the other table. The other options (B, C, and D) are not relevant to the requirement of representing a relationship between two tables using the relational model.

When Using the Relational Model to Represent Two Tables, One