Explain the concept of foreign keys in SQL and their role in maintaining referential integrity. - Study24x7
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Ashish Verma
21 Mar 2024 10:16 AM study24x7 study24x7

Explain the concept of foreign keys in SQL and their role in maintaining referential integrity.

A

Foreign keys are used for data encryption

B

Foreign keys are not necessary in SQL databases

C

Foreign keys establish relationships between tables and ensure referential integrity

D

Foreign keys are used for sorting data in descending order

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