How Vsam was evolved? What was the equivalent file for ESDS,KSDS and RRDS prior to evolution? What were their disadvantages of those file which leads to evolution of ESDS,KSDS and RRDS files ?

1 Answers  

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How is record management performed in vsam?

0 Answers  

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In vsam at the cluster creation for KSDS FREESPACE parameter is required but for ESDS FREESPACE parameter is not required ?

4 Answers   IBM,

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what is the concept of IMPORT in vsam??

2 Answers  

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explain in brief what are the 3 types of vsam files?

0 Answers   IBM,

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What is the difference between CI( Control Interval)and CA (Control Area)?

3 Answers   Infosys, TCS,

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What is a path?

1 Answers  

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Suppose a generation of GDG gets created in a particular step of a proc. How would you refer the current generation in a subsequent step? What would be the disposition of this generation now?

3 Answers  

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Using alternate indexes in batch program?

0 Answers  

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What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 Answers  

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What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

0 Answers   iGate,

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How do you initialize a VSAM file before any operation? a VSAM with alternate index?

2 Answers   IBM,

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