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what's the biggest disadvantage of using a VSAM dataset?
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Answer Posted / vinothkumar
DISADVANTAGES:
(i)the vsam file have FREE SPACE parameter with in the CI.
so,it will take large memory space.
(ii)it have CONTROL INFORMATION by itself. that's why it
will take more memory space.
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OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output
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