What is the purpose of the FILE STATUS clause in the SELECT statement?

1 Answers  

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If we are using empty VSAM file, we can see this empty file by using FILE AID tool. How can we open empty VSAM file if you are using in Program..?

3 Answers  

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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

0 Answers  

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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?

3 Answers  

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if not using the 'commit' when closing VSAM file,what will happend

5 Answers   CSC,

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Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?

2 Answers   IBM,

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FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS

2 Answers  

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What is the use of VSAM files? How to read this ?

3 Answers   CTS,

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What are the different dataset organizations used in vsam?

0 Answers  

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What is the difference between lds and esds?

0 Answers  

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What is control area?

0 Answers  

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what are s0c1, s0c4, s0c5, s0c7 abends?

0 Answers   IBM,

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