Discussion
For every relationship, there are six possible sets of minimum cardinalities.
Answer: B
Correct answer: False
There are four sets of minimum cardinalities, since each of the two sides is either optional or mandatory. Six is the number of referential integrity actions to be considered - insert, update and delete on each side - which is a different question and the source of the confusion.
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