Home » Computer » Database Concepts » Question

Database Concepts

Easy Questions

Computer

General Introduction
Development of Computer
Computer Hardware
Computer Architecture
Input and Output Device
Memory
Presonal Computer
Design Tools and Programming Langguages
Programming Concepts
Data Representation and Number System
Software
Operating System(OS)
Database Concepts
Data Communication
Internet
Computer Security
Microsoft Windows
Microsoft Office
Miscellaneous
  1. In case of entity integrity, the primary key may be
    1. not null
    2. null
    3. Both '1' and '2'
    4. any value
    5. None of these
Correct Option: A

NA


Your comments will be displayed only after manual approval.