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Business Studies

Psychological and Organizational Barriers to Communication

While key and...

Question

While key and entity constraints are specified on individual relation, the referential integrity constraints is specified between _________ relations.

A

One or more

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B

Two or more

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C

One or two

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D

None of the above

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Solution

The correct option is B Two or more
While key and entity constraints are specified on individual relation, the referential integrity constraints is specified between two or more relations. This constraint is specified to maintain consistency among the tuples of such relations.

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