Which one of the following statements regarding views is true? Creating views can improve query response time due to caching. View could be considered an additional layer of security on the underlying table which enables the DBA to protect intricate or sensitive data but still allow access. Views are virtual tables that are materialized at run time and as needed All of the statement are true

Oracle 12c: SQL
3rd Edition
ISBN:9781305251038
Author:Joan Casteel
Publisher:Joan Casteel
Chapter13: Views
Section: Chapter Questions
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Which one of the following statements regarding views is true?

  1. Creating views can improve query response time due to caching.
  2. View could be considered an additional layer of security on the underlying table which enables the DBA to protect intricate or sensitive data but still allow access.
  3. Views are virtual tables that are materialized at run time and as needed
  4. All of the statement are true
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