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Introduction to Database Systems by ITL Education Solutions Limited

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CHAPTER 1

DATABASE SYSTEM

After reading this chapter, the reader will understand:

  • The basic concept of database and database management system
  • The need of database system
  • Limitations of traditional file processing system that led to the development of database management system
  • Advantages of database system
  • Various developments in the field of database system
  • Areas where the database system is used
  • Cost and risk involved in database system
  • Different types of individuals that interact with the database system
  • The concept of database schema and database instance
  • Three-level DBMS architecture, which provides the abstract view of the database
  • The concept of data independence, which helps the user to change the schema at one level of the database ...

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