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The ANSI - Sparc three - schema approach includes which of the following schemas? A . Internal B . Logical C . External D .

The ANSI-Sparc three-schema approach includes which of the following schemas?
A. Internal
B. Logical
C. External
D. Cross-functional
E. Conceptual
A, D and E are part of the ANSI-Sparc 3-schema model.
A, C, and E are part of the ANSI-Sparc 3-schema model
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