What Is File Organization?

For what type of situations is indexedsequential file organization suited.justify your answer?

• MCA 2nd Sem. "DATA AND FILE STRUCTURES"

• Answer:

  Indexed sequential files are important for applications where data needs to be accessed..... sequentially randomly using the index. Example: A company may store details about its employees as an indexed sequential file. Sometimes the file is accessed.... sequentially-For example when the whole of the file is processed to produce payslips at the end of the month. randomly. Maybe an employee changes address, or a female employee gets married and changes her surname. An indexed sequential file can only be stored on a random access device eg magnetic disc, CD.