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VSAM Interview Questions
Questions Answers Views Company eMail

what is the concept of AIX in vsam ????

HCL,

1 3541

max how many AIX coded in a vsam dataset??

 2 4595

FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS

 2 6880

what is the concept of IMPORT in vsam??

 2 5327

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

 4 6787

I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 3401

What is the difference between shroptions(2 3) and shroptions (4 3) in the Def CLUSTER ??

 3 9481

can we access sequential files online

Cap Gemini, GS,

4 7662

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..

iGate,

8128

print ids(/)char??what is the full form of ids??

HCL, Hotel Jobs,

2 9840

in vsam at the creation of cluster what is the use of RECSZ parameter?

TCS,

2 12560

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

IBM,

4 11332

What is Base Cluster ?

 1 5371

Common VSAM Error conditions and codes

 1 6757

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

 1 3707

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Un-Answered Questions { VSAM }

what is the probability of a complete system distortion under high end low performing multiprocessor job?

2031

Why is it required to have a keyed directed retrieval?

562

Explain the significance of the shareoptions parameter?

537

What are the different dataset organizations used in vsam?

571

Explain the biggest disadvantage of using a vsam dataset?

587




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.

1880

How do you calculate record size of an alternate cluster?

673

How do you define an altindx?

568

What is the purpose of having vsam data space?

530

is it necessary that all versions of the gdg have to be of the same record length?

674

what do you mean by a vsam split?

582

Can you delete vsam files with the delete option of the disposition parameter of jcl?

658

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

656

explain the differences between vsam and non-vsam files

647

State the differences between vsam and non-vsam files?

566

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