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Answer Posted / cng
vnn
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is it necessary that all versions of the gdg have to be of the same record length?
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
explain in brief how you can create a vsam file?
What is a lds (linear data set)?
Explain the biggest disadvantage of using a vsam dataset?
Explain the significance of the shareoptions parameter?
What are the steps involved in access method services?
what is buffering and how does it apply to vsam files ?
What is a base cluste?
Can you delete vsam files with the delete option of the disposition parameter of jcl?
On which dataset you can have alt index?
Yes. Because the alternate key would first locate the primary key, which in turn locates the actual record. Needs twice the number of I/Os.
What is the purpose of relative record data set used in vsam?
what is meant by dirty read in vsam?
what is the use of the file status clause in the select statement in vsam?
