What is TRUE about internal level?

19. What is TRUE about internal level?

  1. An internal database structure is described by its external schema.
  2. Intangible data model is used.
  3. In a block, it determines how data is stored.
  4. Simple low-level data structures are described at the physical level in detail.

Answer: C) In a block, it determines how data is stored

Explanation:

In a block, internal level determines how data is stored.

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