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Question 25/90
Which two are true concerning Columnar Flash Caching?
Correct Answer: D,E
Explanation/Reference:
D: In-Memory Columnar Caching on cells is enabled by default when the INMEMORY_SIZE is configured.
You do not need to do anything to get this enhancement.
E: Columnar Flash Caching implements a dual format architecture in Exadata flash by automatically transforming frequently scanned Hybrid Columnar Compressed data into a pure columnar format as it is loaded into the flash cache.
Incorrect Answers:
F: Columnar Flash Caching accelerates reporting and analytic queries while maintaining excellent performance for OLTP style single row lookups.
References:
http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-storage-server-monitoring.htm#SAGUG20883
http://www.oracle.com/technetwork/database/exadata/exadata-x5-8-ds-2745934.pdf
D: In-Memory Columnar Caching on cells is enabled by default when the INMEMORY_SIZE is configured.
You do not need to do anything to get this enhancement.
E: Columnar Flash Caching implements a dual format architecture in Exadata flash by automatically transforming frequently scanned Hybrid Columnar Compressed data into a pure columnar format as it is loaded into the flash cache.
Incorrect Answers:
F: Columnar Flash Caching accelerates reporting and analytic queries while maintaining excellent performance for OLTP style single row lookups.
References:
http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-storage-server-monitoring.htm#SAGUG20883
http://www.oracle.com/technetwork/database/exadata/exadata-x5-8-ds-2745934.pdf
- Question List (90q)
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