The terms data model and database model are often used interchangeably.
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Q4: Today, most relational database products can be
Q12: A data model is usually graphical.
Q14: Database designers determine the data and information
Q17: The network model has structural level dependence.
Q18: Business rules apply to businesses and government
Q19: In an SQL-based relational database, rows in
Q19: End-user interfaces require the end user to
Q21: VMS/VSAM is an example of a(n)_.
A) hierarchical
Q28: Students and classes have a _ relationship.
A)
Q38: A(n) _ is a restriction placed on
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