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

VSAM Interview Questions

Questions Answers Views Company eMail

How do you calculate record size of an alternate cluster? Give your values for both unique and nonunique.

IBM,

1 8877

What is the difference between sequential files and ESDS files?

IBM,

1 8590

How do you load a VSAM data set with records ?

IBM,

2 7993

How do you define a GDG ?

IBM,

1 5037

Do all versions of the GDG have to be of the same record length ?

IBM, iNautix,

3 13296

How are different versions of GDG named ?

IBM,

2 5436

Suppose 3 generations of a GDG exist. How would you reference the 1st generation in the JCL?

IBM,

2 14568

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?

IBM,

2 6771

What more info you should give in the DD statement while defining the next generation of a GDG?

IBM,

1 5755

Assuming that the DEFINE JCL is not available, how do you get info about a VSAM file's organisation?

IBM,

1 5690

During processing of a VSAM file, some system error occurs and it is subsequently unusable . What do you do ?

1 6866

How do you fix the problem associated with VSAM out of space condition?

IBM,

1 9576

What is the meaning of VSAM RETURN-CODE 28?

3 21569

On which datasets You can have ALT INDEX?

2 6016

How many Alternate Indexes you can have on a dataset?

AB Inc,

2 9794

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Un-Answered Questions { VSAM }

Define a path?

1028

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

2411

Why is it required to have a keyed directed retrieval?

974

What is the use of access method services in vsam?

994

difference between vsam and database tables

1088

What is the biggest disadvantage of using a vsam dataset?

1072

what will happen if there is no secondary allocation made for datasets?

1060

What is the purpose of relative record data set used in vsam?

1039

what are the idcams commands that can be used for vsam and explain each of them.

923

What is a lds (linear data set)?

965

explain in brief why do vsam take more disk space than other utilities?

1012

What is a vsam dataset?

981

Using alternate indexes in cics program?

972

What are the different versions of gdg named?

936

Is it slower if you access a record through alt index as compared to primary index?

981

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