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If the actual relations used in the view definition change, the view is updated immediately. Such views are called _________

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If the actual relations used in the view definition change, the view is updated immediately. Such views are called _________

(a) Instant views

(b) Instantaneous views

(c) Materialistic views

(d) Materialized views

I got this question in an interview.

Question is from Views and Transactions in chapter Intermediate and Advanced Sql of RDBMS

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Correct option is (d) Materialized views

The explanation is: If the actual relations used in the view definition change, the view is updated immediately. Such views are called Materialized views. Materialized views help to keep the database up-to-date.

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