The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
A. Select
B. Join
C. Union
D. Intersection
Answer:A
The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
A. Select B. Join C. Union D. Intersection
Explanation:Join finds the common tuple in the relations and combines it. 5. The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.