What Is Vdl (view Definition Language)?

1.	What Is Vdl (view Definition Language)?
Answer» It SPECIFIES USER views and their mappings to the CONCEPTUAL SCHEMA. It specifies user views and their mappings to the conceptual schema.

Answer»

It SPECIFIES USER views and their mappings to the CONCEPTUAL SCHEMA.

It specifies user views and their mappings to the conceptual schema.

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