May 2012
Intermediate to advanced
440 pages
9h 1m
English
Content preview from Oracle Advanced PL/SQL Developer Professional Guide
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Chapter 7, Using SecureFile LOBs
|
Question No. |
Answer |
Explanation |
|---|---|---|
|
1 |
a, c, and d |
SecureFiles can reside only on ASSM tablespaces. They are free from LOB index contention and high water mark contention. Up to 4 MB, SecureFile LOB data can be cached under the WGC component of the buffer cache. |
|
2 |
a and d |
Being part of the advanced compression, compression in SecureFile doesn't affect performance. It is intelligently handled by the LOB manager to perceive the impact of compression on LOB data. |
|
3 |
b |
Compression, deduplication, and encryption are mutually exclusive features of a SecureFile. |
|
4 |
b |
Table compression has nothing to do with SecureFile compression. |
|
5 |
a and b |
|
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