Discussion
The different classes of relations created by the technique for preventing modification anomalies are called:
Answer: A
Correct answer: normal forms.
The normal forms are the successive classes of relation defined by which dependencies they still permit, each one eliminating a further source of insertion, deletion and update anomaly. Functional dependencies are what the definitions are stated in terms of, and referential integrity is a separate constraint between relations rather than a class of relation.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development