Answer Posted / raghu

sequential vasm files can be accessed in online by browsing.
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Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?

1154

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what do you mean by a shareoptions parameter (shr) in define cluster command?

1311

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differentiate between sequential files and esds files in vsam?

1171

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What are the access method services used in vsam?

1036

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Explain the difference between lds and esds?

1034

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

1113

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How does control intervals and control areas related to each other?

1006

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What is the main function of key sequenced data set in vsam?

966

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what are s0c1, s0c4, s0c5, s0c7 abends?

1309

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Why is it required to have a keyed directed retrieval?

1025

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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.

2424

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Describe the uses of ams?

1013

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explain the differences between vsam and non-vsam files

1159

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Differentiate between control interval (ci) and control area (ca)?

1008

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What are the building blocks used in vsam datasets?

991

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