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Database Systems: Concepts, Design and Applications by S. K. Singh

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Review Questions

1.What do you understand by an object-oriented (OO) method? What are its advantages?
2.What are the origins of the object-oriented approach? Discuss the evolution and history of object-oriented concepts with a neat sketch.
3.What is object-oriented data model (OODM)? What are its characteristics?
4.Define and describe the following terms:
  1. Object

  2. Attributes

  3. Object identifier

  4. Class.

5.With an example, differentiate between object, object identity and object attributes.
6.What is OID? What are its advantages and disadvantages?
7.Explain how the concept of OID in OO model differs from the concept of tuple equality in the relational model.
8.Using an example, illustrate the concepts of class and class instances.
9.Discuss the implementation ...

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