Match the following with respect to RDBMS:
|
A. Entity integrity |
1. enforces some specific business rule that do not fall into entity or domain |
|
B. Domain integrity |
2. Rows can’t be deleted which are used by other records |
|
C. Referential integrity |
3. enforces valid entries for a column |
|
D. User defined integrity |
4. No duplicate rows in a table |
1
A - 3, B - 4, C - 1, D - 2
2
A - 4, B - 3, C - 2, D - 1
3
A - 4, B - 2, C - 3, D - 1
4
A - 2, B - 3, C - 4, D - 1