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File Based System

File Based System . Outline . Introduction about File based system What is file based system? How it works? Advantages & disadvantages in file based system Solution for those problems. What is file based system? .

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File Based System

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  1. File Based System

  2. Outline • Introduction about File based system • What is file based system? • How it works? • Advantages & disadvantages in file based system • Solution for those problems

  3. What is file based system? • A file based system is a collection of application programs that perform services for the user. • Each program within a file based system defines and manages its own data.

  4. How it works? Accounts Department HRM Department Production Department Accounts Data HR Data Production Data Each department maintain there own set of data. There is no link between those data pools.

  5. Advantages of file based system • No need of external storage • No need of highly technical person to handle the database. • Processing speed is high as compare to DBMS • Low cost (ex: Equipments)

  6. Disadvantages of File based system • Provide less security. • High complexity in updating of database • Data separation and isolation • Data dependence • Data duplication • Incompatible data (different file formats) • Lack of flexibility in organizing and querying the data • Increased number of different application programs

  7. Solutions • Using Database management system • Because • - Sharing of data- Consistency of data- Integrity of data- Security of data- Potentially increased productivity- Improved data backups and recovery Data independence

  8. How DBMS works Accounts Department HRM Department Production Department Data

  9. Summary • Introduction about File based system • What is file based system? • How it works? • Advantages & disadvantages in file based system • Solution for those problems

  10. Thank you EshaniWerapitiya BasuraRamanayaka HasithaDananjaya Stefan Udumalagala RishiParasuraman

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