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Question

For a three-schema architecture, there is strict partition between external, internal and conceptual level and the language used in this structure is

a.

view definition language

b.

logic map language

c.

concept mapping language

d.

storage mapping language

Posted under Data Models DBMS

Answer: (a).view definition language

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Q. For a three-schema architecture, there is strict partition between external, internal and conceptual level and the language used in this structure is

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