3 years ago

If K is a foreign key in relation R1, then

Computers and Technology

1 answer:

givi [52]3 years ago

6 0

Answer: K is a key for some other relation.

Explanation:

If K is a foreign key in relation R 1, then K is a key for some other relation as foreign key is the key which provide index relation table. It basically declared index of one table are related to another and place the constraint. And in the relation operator that comprises its value from all the rows in the table and it is used to prevent from destroy between the tables.

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