1.

Match the following with respect to RDBMS:A. Entity integrity1. enforces some specific business rule that do not fall into entity or domainB. Domain integrity2. Rows can’t be deleted which are used by other recordsC. Referential integrity3. enforces valid entries for a columnD. User defined integrity4. No duplicate rows in a table

A. A - 3, B - 4, C - 1, D - 2
B. A - 4, B - 3, C - 2, D - 1
C. A - 4, B - 2, C - 3, D - 1
D. A - 2, B - 3, C - 4, D - 1
Answer» C. A - 4, B - 2, C - 3, D - 1


Discussion

No Comment Found