Uttrakhand Asst. Professor Exam-42

Question

In which of the following records are maintained in the logical sequence of their primary key values?

• A. Index sequential file
• B. Sequential file
• C. Relative file
• D. Direct file

Comments

a)Index sequential (Primary indexed file)

Answer 1

In Sequential File Organisation, records are maintained in the logical sequence of their primary key values.

A sequential file is a set contiguously stored records in a physical storage device like magnetic tape, CD-ROM , magnetic disk .

A sequential file can be created  by sorting the records in a heap file.In this type of organisation, records are stored in sequential order onto the secondary storage media.