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A referential integrity constraint consists of:

A. ensuring the integrity of transaction processing.

B. ensuring that data are updated through triggers.

C. ensuring controlled user updates to database.

D. rules for designing tables and queries.

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Answer Posted / guest

Answer: B

Referential integrity constraints ensure that a change in a
primary key of one table is automatically updated in a
matching foreign key of other tables. This is done using
triggers.

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