DBMS Assignment 2 Questions

Q.1    Describe the below mentioned topics and their advantages and disadvantages.

            1. Hierarchical Model
            2. Network Model
            3.Relational Model
            4.Entity Relational Model

            5. Object Oriented Model
Q.2  Describe degree of data abstraction.
         
           1. The external Model
           2. The conceptual Model
           3. The internal Model

Q.3 Write short note on Business Rules
Q.4 Give a comparison among all the data Model.
Q.5 Write list their full form of all the DB models of different generation.