Computer Science · Database Management Systems
The concept of 'Referential Integrity' in the Relational Model ensures that:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Users cannot access data without proper authorization
- 2Data is stored in a way that minimizes physical disk space
- 3A foreign key value must match an existing primary key value in the related table or be null✓
- 4Every table must have at least one primary key
Correct answer
A foreign key value must match an existing primary key value in the related table or be null
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Computer Science?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Database Management Systems MCQs →Want more practice questions on Database Management Systems?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · Database Management Systems