In a relational database, each row ____.
A) and each column has a primary key
B) has a unique name and each column has a primary key
C) has a primary key and each column has a unique name
D) and each column has a unique name

Question

Quizplus · Accepted Answer

In a relational database, each row should have a primary key to uniquely identify it within the table. Each column should have a unique name to avoid confusion or ambiguity. Therefore, option C is the correct choice as it states that each row has a primary key and each column has a unique name. Options A and B are incorrect as they suggest that each column has a primary key, which is not always required or practical. Option D is also incorrect as it only states that each column has a unique name but leaves out the necessity of a primary key for each row.

In a Relational Database, Each Row ____