Explanation:Select is used to view the tuples of the relation with or without some constraints. 8. The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
A. Union
B. Intersect
C. Difference
D. Projection
Answer:A
Explanation:Select is used to view the tuples of the relation with or without some constraints. 8. The _______ operator takes the results of two queries and returns only rows that appear in both result sets.
A. Union B. Intersect C. Difference D. Projection