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Describe briefly models which define the operations on classes.
The three models which are used to define operations on classes are as:
Object Model = data dictionary + Object model diagram
Dynamic Model = global event flow diagram + State diagrams
Functional Model = constraints + Data flow diagrams.
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
HOW MANY TYPES OF VIEWS
What are the aggregate objects in the data dictionary? Views Match codes Lock objects.
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