Describe the Indexed sequential file organization method.

      

Describe the Indexed sequential file organization method.

  

Answers


Kavungya
It is similar to sequential method only that an index is used to enable the computer to locate individual records on the storage media e.g. magnetic disks.

Advantages
Resources can be accessed sequentially or randomly
Records are not duplicated
Accessing of records can be fast if done randomly

Disadvantages
Storage media is rather expensive
Accessing records sequentially is time consuming
Processing records sequentially introduce redundancy
Kavungya answered the question on April 16, 2019 at 10:04


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