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is it required that primary key values have to be unique? Do alternate key values have to be unique?
What are the different dataset organizations used in vsam?
What does the keyranges parameter in define cluster command do?
Explain the function of entry-sequenced data set?
What is the biggest disadvantage of using a vsam dataset?
what is the probability of a complete system distortion under high end low performing multiprocessor job?
Differentiate between control interval (ci) and control area (ca)?
Can you delete vsam files with the delete option of the disposition parameter of jcl?
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
in a cobol select statement for a ksds can you tell me what are the 3 possibilities for access?
there are seven idcams commands in vsam. Can you name and explain each of them?
what will happen if there is no secondary allocation made for datasets?
explain in brief what are the 3 types of vsam files?
is it necessary that all versions of the gdg have to be of the same record length?
what do you mean by a vsam slot?
