Answer / Kamal Singh

Here are some IDCAMS commands commonly used with VSAM files:n
1. ALLOCATE: This command creates or extends a VSAM dataset.n
2. RELEASE: This command releases the resources allocated by ALLOCATE for a VSAM dataset.n
3. CHGBUF: This command modifies the buffer pool settings of a VSAM file.n
4. CHGDTA: This command modifies the dataset description of a VSAM file.n
5. REORG: This command reorganizes the data on a VSAM file to improve performance or space utilization.

why do we use vsam file thn seqential files ?

3 Answers   Tech Mahindra,

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in what type of vsam datasets can an alternate index be defined??

4 Answers  

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What is the significance of the SHAREOPTIONS parameter?

1 Answers   IBM,

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Is CA(Control Area) is part of CI(Control Interval)

3 Answers  

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

3 Answers   CTS,

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What is the difference between sequential files and ESDS files?

1 Answers   IBM,

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How do you define a GDG ?

1 Answers   IBM,

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what do you mean by idcams? Explain its purpose?

1 Answers   IBM,

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What does a file status of 02 on a VSAM indicate?

1 Answers   IBM,

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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?

1 Answers  

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Common VSAM Error conditions and codes

1 Answers  

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What is recovery parameters in define cluster command?

1 Answers  

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