Discuss the three level architecture of dbms, Database Management System

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PRINCIPLES OF DATABASE

1. State the following terms:
a) Database b) Database Management System c) Entity d) Attribute e) Relationship

2. Discuss the Three Level Architecture of DBMS.

3. Write short note on:
a) Relational Data Model b) Hierarchical Model

4. Explain characteristics of different types of storage devices.

5. Describe file organization. Discuss several possible ways of organizing records in files.

6. What is second normal form and third normal form.

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