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While designing vsam files,what is the best way to choose
control interval size for the data and the index?
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State the differences between vsam and non-vsam files?
Explain about the file objects in vsam?
what is freespace
What is the Difference between LDS & ESDS ?
What is the maximum no. of records that can be allowed in VSAM ?
How do you load a VSAM data set with records ?
Alt key is used for what type of vsam file
What is a vsam dataset?
During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?
1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?
Is a delete operation possible in an ESDS?B. Is rewrite operation possible in ESDS ?
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
COBOL 
