Answer / guest

2 data buffers by default for ESDS. For KSDS it allots 2
data buffers and 1 index buffers. each buffer is about 4k.

what do you mean by gdg in vsam?

1 Answers   IBM,

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What is a VSAM slot?

1 Answers  

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explain how can you initialize a vsam file before any operation?

1 Answers   IBM,

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explain how do you define a gdg in vsam?

1 Answers   IBM,

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What are the different versions of gdg named?

1 Answers  

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Syntax of AMS modal commands ?

1 Answers   IBM,

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What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 Answers  

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What are the types of VSAM datasets?

3 Answers   IBM,

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max how many AIX coded in a vsam dataset??

2 Answers  

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how do you create an alternate index ?

1 Answers   IBM,

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what is control interval(CI) and control Area(CA)

4 Answers   EDS,

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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.

1 Answers  

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