Constraints DBMS Questions And Answers
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Constraints DBMS Questions & Answers
1. To include integrity constraint in a existing relation use :
Constraints DBMS Questions & Answers
2. Which of the following is not a integrity constraint ?
Constraints DBMS Questions & Answers
3. Foreign key is the one in which the ________ of one relation is referenced in another relation.
Constraints DBMS Questions & Answers
4. Domain Constraints DBMS, functional dependency and referential integrity are special forms of _________.
Constraints DBMS Questions & Answers
5. Which of the following is the right syntax for assertion?
Constraints DBMS Questions & Answers
6. Data integrity Constraints DBMS are used to:
Constraints DBMS Questions & Answers
7. Which of the following can be addressed by enforcing a referential integrity constraint?
Constraints DBMS Questions & Answers
8. _____________, express the number of entities to which another entity can be associated via a relationship set.
Constraints DBMS Questions & Answers
9. An entity in A is associated with at most one entity in B, and an entity in B is associated with at most one entity in A.This is called as
Constraints DBMS Questions & Answers
10. An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
