1.

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 viewsI got this question in an interview.Question is from Views and Transactions in chapter Intermediate and Advanced Sql of RDBMS

Answer»

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.



Discussion

No Comment Found

Related InterviewSolutions