VSAM Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

VSAM Interview Questions

Questions Answers Views Company eMail

Is it slower if you access a record through ALT INDEX as compared to Primary INDEX? Why?

1 5872

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.

2352

What is RECOVERY and SPEED parameters in DEFINE CLUSTER command?

1 14230

Describe SHAREOPTIONS parameter (SHR) in Define Cluster command.?

1 17652

What does the KEYRANGES parameter in Define Cluster commend do?

1 7389

What are the optional parameters to the input dataset While loading the empty cluster with the data records?

IBM,

1 6084

What is IDCAMS? and what is the purpose of it?

4 18821

How to delete a member using JCL.?

5 15176

What is the Difference between LDS & ESDS ?

3 15166

Is a delete operation possible in an ESDS?B. Is rewrite operation possible in ESDS ?

3 10253

What is an alternate index and path ?

Infosys, TCS,

2 26601

How many buffers are allotted to VSAM KSDS and ESDS?

1 8166

what's the biggest disadvantage of using a VSAM dataset?

Anjana, CTS, DSRC, IBM,

8 20087

what's the device independent method to indicate where a Record is Stored?

1 5682

How many times secondary space allocated?

5 10705

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Un-Answered Questions { VSAM }

How is record management performed in vsam?

1079

What is a vsam dataset?

983

what is the purpose of the verify function of idcams?

1009

What are the information stored in ci?

955

how can you load a vsam data set with records ?

1127

State the differences between vsam and non-vsam files?

994

what does a file status of 02 on a vsam signifies?

1131

what do you mean by gdg in vsam?

1149

What is recovery parameters in define cluster command?

998

Explain the significance of the shareoptions parameter?

953

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

967

Define gdg?

955

Define free space?

1001

what will happen when you try to open an empty vsam file in a cobol program for input?

1000

what is the meaning of dynamic processing in vsam?

999

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