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 8964

What is the difference between sequential files and ESDS files?

IBM,

1 8698

How do you load a VSAM data set with records ?

IBM,

2 8126

How do you define a GDG ?

IBM,

1 5114

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

IBM, iNautix,

3 13475

How are different versions of GDG named ?

IBM,

2 5572

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

IBM,

2 14699

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 6936

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

IBM,

1 5843

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

IBM,

1 5766

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

1 6974

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

IBM,

1 9683

What is the meaning of VSAM RETURN-CODE 28?

3 21738

On which datasets You can have ALT INDEX?

2 6150

How many Alternate Indexes you can have on a dataset?

AB Inc,

2 9930

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Un-Answered Questions { VSAM }

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

1113

Define free space?

1057

What are the access method services used in vsam?

1036

Why is master catalog used in vsam?

1120

What is the main function of key sequenced data set in vsam?

966

explain the information contained in ci

1033

Define gdg?

990

What is the difference between lds and esds?

1048

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

1022

What is a vsam dataset?

1033

Explain the purpose of the file status clause in the select statement?

993

what do you mean by define model parameter?

1151

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

2471

What is the place for VSAM KSDS?

1104

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

1050

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