In a well-structured database,the constraint that ensures the consistency of the data is known as the
A) entity integrity rule.
B) referential integrity rule.
C) logical view.
D) consistency integrity rule.

Question

Quizplus · Accepted Answer

The referential integrity rule ensures that relationships between tables are consistent by enforcing that any foreign key value in one table must match a primary key value in another table. This helps to maintain the consistency and accuracy of data in a well-structured database. Option A (entity integrity rule) refers to the requirement that every table must have a primary key, while option C (logical view) and option D (consistency integrity rule) do not accurately describe the constraint that ensures data consistency.

In a Well-Structured Database,the Constraint That Ensures the Consistency of the Data