What are the advantages of vsam over isam?

0 Answers  

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In a file(PS), we dont know how many records are there. requirement is divide half n half the records n insert into 2 another files(PS).

6 Answers   Cap Gemini, TCS,

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What is the procedure for running the batch job in mainframe?

1 Answers  

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can i see how many records does a vsam file have without browsing or without using file-aid? and same for ps file?

3 Answers   Tech Mahindra,

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What is the difference between sequential files and ESDS files?

1 Answers   IBM,

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What are the different versions of gdg named?

0 Answers  

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What is a CI, control interval?

3 Answers  

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What are the common vsam error conditions and codes?

0 Answers  

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In the COBOL SELECT statement what is the ORGANIZATION for a KSDS?

4 Answers  

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can you specify some the distinctive features of a ksds, key sequenced dataset?

0 Answers   IBM,

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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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to use the rewrite command, how should the vsam file be opened?

0 Answers   IBM,

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