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Question ID 7725

Which two statements are true? (Choose two)

Option A

Dimensions are based on summaries.

Option B

The ALTER MATERIALIZED VIEW CONSIDER FRESH statement directs Oracle to consider the materialized view fresh, and therefore eligible for query rewrite in the TRUSTED or STALE_TOLERATED mode only.

Option C

Summaries without dimensions are used for faster aggregation.

Option D

Additional query rewrites at a higher level of aggregation can take place if summaries are created at the lowest level of aggregation.

Correct Answer AD
Explanation


Question ID 7727

Which two statements are true? (Choose two)

Option A

Composite partitioning supports local indexes.

Option B

Composite partitioning supports hash-partitioned global indexes.

Option C

Composite partitioning supports range-partitioned global indexes

Option D

Composite partitioning supports composite-partitioned global indexes.

Correct Answer BD
Explanation


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