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Computer Science · Q91

Database Systems

Engineering and GATE · Computer Science · question 91

Q91

Two files may be joined into a third file if

A.
they have a row in common
B.
they have a field in common
Answer
C.
they have no records with the same value in the common field
D.
both (b) and (c)
E.
None of the above

Answer: Option B

Solution

Answer: Option B
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