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What is the difference between PS file and VSAM file?
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Answer Posted / manjula
PS files can be created on tapes while the VSAM files
cannot. Also, VSAM files can have ALTINDX(alternate index)
while no such facility exists for PS files.
| Is This Answer Correct ? | 23 Yes | 3 No |
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Explain the catalog?
is it required that primary key values have to be unique? Do alternate key values have to be unique?
Tell about the ams used in vsam?
What is control interval?
What is the biggest disadvantage of using a vsam dataset?
what are the idcams commands that can be used for vsam and explain each of them.
What is the purpose of having vsam data space?
Explain the biggest disadvantage of using a vsam dataset?
what are the additional information you should give in the dd statement while defining the next generation of a gdg?
what is the use of the file status clause in the select statement in vsam?
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
What is a ca split?
On which dataset you can have alt index?
What is the function of linear dataset in vsam?
How is the sorting of vsam files carried?
