Question: 1. What is Database and what are its characteristics? 2. Insulation bata programs and data, and data abstraction? 3. Support of multiple views of

1. What is Database and what are its characteristics? 2. Insulation bata

1. What is Database and what are its characteristics? 2. Insulation bata programs and data, and data abstraction? 3. Support of multiple views of the data? 4. What is data independent? 5. Who is data administrator and stae the role of DBA? 6. Explain the concept of generallzation and specialization? 7. State the rules for mapping the ER and EER model to Relational model? 8. State the Relation Algebra expressions for Unary Relational Operations?

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