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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.
what is view?explain
What are audit trails? An audit trail is a log of all alters to the database along with information like which user performed the change and when the alter was performed.
give some example real-life situations where DBMS are most suiitabe
Problem: a) Briefly describe what you understand by Client-Server environment b) The File Server is a simple form of Client-Server. Describe the principles of the File Serve
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Database Errors: An error is said to have occurred if the implementation of a command to manipulate the database cannot be successfully finished either due to inconsistent data or
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WHAT IS DSS? WRITE ITS REQUIREMENTS.
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
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