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

KEEP_DUPLICATES is the default option. The feature doesn't affect ...

Get Oracle Advanced PL/SQL Developer Professional Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.