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Oracle

1Z0-338 · Question #79

What happens in an Exadata Database Machine when the DUPLICATE sub-clause of the INMEMORY attribute is specified?

The correct answer is B. Each In-Memory Compression Unit in the IM column store will have a mirrored copy placed on another. Explanation/Reference:

Implementing Exadata Features

Question

What happens in an Exadata Database Machine when the DUPLICATE sub-clause of the INMEMORY attribute is specified?

Options

  • AThe DUPLICATE sub-clause enables parallel execution NUMA support.
  • BEach In-Memory Compression Unit in the IM column store will have a mirrored copy placed on another
  • CThe command allows the current instance to exceed DRAM limits and expand across memory, flash,
  • DThe command creates an in-memory snapshot for write_only access.
  • EThe In-Memory Compression Unit will have a mirrored copy placed on every other node in the RAC

How the community answered

(39 responses)
  • A
    18% (7)
  • B
    72% (28)
  • C
    3% (1)
  • D
    3% (1)
  • E
    5% (2)

Explanation

Explanation/Reference:

Topics

#In-Memory Column Store#DUPLICATE clause#IMCU mirroring#RAC In-Memory

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