Which statement is not true of the Three Schema Architecture ........

Computer GK DBMS

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Which statement is not true of the Three Schema Architecture?

It is an official standard of the American Standards Institute (ANSI).

It is an architecture for compartmentalizing database descriptions.

Its details have been widely adopted in third- and fourth-generation DBMSs.

None of the above.

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Explanation:

Answer: (c).
Its details have been widely adopted in third- and fourth-generation DBMSs.
The three schemas are external, conceptual, and internal. Each provides a level of independence: application independence from the external schema, external schema independence from the conceptual schema, conceptual schema independence from the internal schema, and internal schema independence and thus application independence from the physical data itself.

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