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Question:
1. None of them can cause any violation
2. All of them can cause violation
3. 1 and 4 can cause violation
4. 2 and 3 can cause violation
Check Answer
Let R(a,b,c) and S (d,e,f) be two relations in which d is the foreign key of S that refers to the primary key to R. Consider the following four operations
- Insert into R
- Insert into S
- Delete from R
- Delete from S
1. None of them can cause any violation
2. All of them can cause violation
3. 1 and 4 can cause violation
4. 2 and 3 can cause violation
Check Answer
