Computer Science, asked by Aadishakti1560, 1 year ago

Why foreign key is called referential integrity constraint?

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Answered by zahrafaizi78
1

Answer:

#Foreign key constraints. Referential integrity is the state of a database in which all values of all foreign keys are valid.

# A foreign key is a column or a set of columns in a table whose values are required to match at least one primary key or unique key value of a row in its parent table.

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