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What Is File Organization?

Answer»

File Organization : It DESCRIBES how records are stored within a file.There are four file organization methods.

  1. Serial : Records are stored in chronological order (in order as they are input or occur). Examples − Recording of telephone charges, ATM transactions, Telephone queues.
  2. SEQUENTIAL : Records are stored in order based on a key field which contains a value that UNIQUELY identifies a record. Examples − Phone directories.
  3. DIRECT (relative) : Each record is stored based on a physical address or location on the DEVICE. Address is calculated from the value stored in the record’s key field. Randomizing routine or hashing algorithm does the conversion.
  4. Indexed : Records can be processed both sequentially and non-sequentially using indexes.

File Organization : It describes how records are stored within a file.There are four file organization methods.



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