The ____________________ defines the portion of the database "seen" by the application programs that produce information from the data.
Correct Answer:
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Q30: In the _ model, the user perceives
Q46: The relational data model was developed in
Q52: A(n)_ is a representation of the relational
Q52: Each column in a relation represents a(n)
Q54: Each row in a relation is called
Q55: A(n)_ enables a database administrator to define
Q55: A(n) _ in a hierarchical model is
Q57: The _ data model uses the concept
Q58: A(n)_ model represents a global view of
Q65: What components should an implementation-ready data model
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