Sql Query : General Knowledge Questions & Answers
Question : Which of the following operations requires the relations to be union compatible?
A.
UNION
B.
INTERSECTION
C.
DIFFERENCE
D.
ALL OF THESE
Correct Answer is : Option D.
- The database language that allows us to access data in a database is called :
- Which of the following is a comparison operator in SQL?
- Which of the following is a legal expression in SQL?
- DCL provides commands to perform actions like
- The COUNT function in SQL returns the number of ______________