Explanation:None. 10. We can test for the nonexistence of tuples in a subquery by using the _____ construct.
A. Not exist
B. Not exists
C. Exists
D. Exist
Answer:A
Explanation:None. 10. We can test for the nonexistence of tuples in a subquery by using the _____ construct.
A. Not exist B. Not exists C. Exists D. Exist
Explanation:Exists is used to check for existence of tuples. Sanfoundry Global Education & Learning Series – Database Management System.