Answer Posted / ravikumar

This parameter is used to verify the physical existence of a
vsam file and close the file if it is not previously closed.

The syntaz is VERIFY FILE(<ddname>)
or
VERIFY DATASET(<dataset name>)

Why is it required to have a keyed directed retrieval?

1029

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What is the purpose of control intervals in vsam?

1018

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What are the access method services used in vsam?

1040

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if you wish to use the rewrite command how must the vsam file be opened?

1162

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Using alternate indexes in batch program?

1126

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differentiate between sequential files and esds files in vsam?

1179

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what do you mean by recovery and speed parameters in define cluster command?

1123

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If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1105

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what do you mean by the cobol record key clause in vsam?

1025

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what is meant by dirty read in vsam?

1348

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what is a base cluster in vsam?

1144

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what do you mean by the repro command?

1104

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explain how many ways you can load data in a vsam cluster?

1051

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what will happen if there is no secondary allocation made for datasets?

1116

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what are the additional information you should give in the dd statement while defining the next generation of a gdg?

1001

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