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Question ID 20580

Which two statements are true about the initialization of internal LOBs? (Choose two.)

Option A

The EMPTY_CLOB() and EMPTY_BLOB() functions can beused to initialize only null internal LOBs

Option B

The EMPTY_CLOB() and EMPTY_BLOB() functions can beused to initialize only -non-null internal
LOBs

Option C

The EMPTY_CLOB() and EMPTY_BLOB() functions can beused to initialize both null and non- null
internal LOBs

Option D

The CLOB and BLOB columns can be initialized with a character or raw string, respectively, provided
they are less than 4000 bytes in size

Correct Answer C
Explanation


Question ID 20581

The database instance was started up using the automatic memory management feature. No value was
set for the RESULT_CACHE_MAX_SIZE parameter. Examine the following initialization parameter settings
for your database:

MEMORY_TARGET = 500M
RESULT_CACHE_MODE=MANUAL
You execute a query by using the result_cache hint. Which statement is true in this scenario?

Option A

The query results are not stored because no memory is allocated for the result cache

Option B

The query results are stored and 0.5% of the memory target is allocated to the result cache

Option C

The query results are stored and 0.25% of the memory target is allocated to the result cache

Option D

The query results are not stored because the RESULT_CACHE_MODE parameter is not set to FORCE

Correct Answer C
Explanation

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