Which statement accurately describes the usage of materialized views in data analysis?

Which statement accurately describes the usage of materialized views in data analysis?
A . They offer a precomputed, persisted snapshot of data, improving query performance.
B . Materialized views are restricted to storing small subsets of data.
C . Materialized views are only accessible through stored procedures.
D . Materialized views update in real-time, reflecting instantaneous changes in the database.

View Answer

Answer: A

Explanation:

Materialized views provide precomputed snapshots of data, enhancing query performance by reducing computation overhead.