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 8959

What is the difference between sequential files and ESDS files?

IBM,

1 8693

How do you load a VSAM data set with records ?

IBM,

2 8118

How do you define a GDG ?

IBM,

1 5107

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

IBM, iNautix,

3 13470

How are different versions of GDG named ?

IBM,

2 5560

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

IBM,

2 14695

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 6934

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

IBM,

1 5836

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

IBM,

1 5758

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

1 6970

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

IBM,

1 9681

What is the meaning of VSAM RETURN-CODE 28?

3 21730

On which datasets You can have ALT INDEX?

2 6140

How many Alternate Indexes you can have on a dataset?

AB Inc,

2 9922

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Un-Answered Questions { VSAM }

What is the place for VSAM KSDS?

1102

Explain what are the optional parameters to the input dataset while loading the empty cluster with the data records?

1154

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

1111

explain how do you define a gdg in vsam?

1025

Would you specify freespace ce for an esds?

1086

What does the keyranges parameter in define cluster commends do?

945

What is a lds (linear data set)?

1007

how do you create an alternate index ?

1068

we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.

1324

What is a base cluste?

1091

What is a lds (linear data set) and what is it used for?

1009

can you specify some the distinctive features of a ksds, key sequenced dataset?

1025

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

1022

What are the information stored in ci?

1002

what is the use of the file status clause in the select statement in vsam?

1110

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