WAEC Data Processing 2015 Question 24

Question 24

Database Management

The type of data entered into a table in database follow a set of rules known as

  1. A.protocols.
  2. B.regulators.
  3. C.algorithms.
  4. D.constraints.
Show the answer and explanation

Answer: D (constraints.)

Explanation

Constraints are the rules a database applies to the data allowed in a table, such as NOT NULL or UNIQUE.