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
differentiate between sequential files and esds files in vsam?
what how do you initialize a vsam file before any operation? A vsam with alternate index?
explain how many ways you can load data in a vsam cluster?
How to get the last record in vsam file in cluster?
What is a base cluste?
name the utility program closely associated with vsam?
Explain the difference between lds and esds?
Using alternate indexes in batch program?
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 recovery parameters in define cluster command?
What is the use of access method services in vsam?
What is the main function of linear dataset?
what is meant by dirty read in vsam?
how many buffers are allocated to vsam ksds and esds?