Operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple. a. intersection b. select c. union d. join

The correct answer for the given question is option(D) i.e Join

Explanation:

In database join combined the two table into single tuple on the basis of some common value between the two relation.

Intersection means  it return only those rows which are common in both relation thats why option(A) is wrong.

Select are used to fetch the data from database thats why option(B) is wrong

Union means it combines all the tuple between the two relation into single relation thats why option(C) is wrong.

So the correct answer is join which combine two relation by merging pairs of tuples, one from each relation, into a single tuple.

Select the correct answers from the drop-down menus.

1. A tuple is

✔ a coordinate pair (x, y)

Explanation:

Hope this helps

i've had the same problem. i generally just ignore it, as a ton of these "verified answers" are completely wrong.