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VSAM Interview Questions
Questions Answers Views Company eMail

Can we copy a sequential file to a VSAM file ? If yes, What will happen of the size of the sequential file is bigger than that of the VSAM file?

CTS, Verizon,

3 31706

1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?

3 15646

if not using the 'commit' when closing VSAM file,what will happend


5 9357

How do I declare the KSDS vsam so that I can store a reocrd with variable length?.

2 9232

How to createing new version of GDG with out loosing the data in preaves GDG version?

Patni, Satyam,

7 15041

When CISZ is declared as 4096 at cluster level,is this true that data will have 4096 and index will have default?????


1 11927

how to view clusters that has more than 10000 records

2 4365

By seeing a program how we findout it is a VSAM program?


6 8194

What is the maximum number of Alternate Index ???

4 8034

How to insert values for variables that are declared as COMP-3 variables in COBOL program in an already created VSAM file.

3 6870

How to rename one vsam file as well as it's index?


4 23389

how to see the last records in vsam dataset??

1 6779

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?

3 6320

Do all versions of the GDG have to be of the same record length ? is it possible to ovverride the dcb of the model dataset?

2 6280

can we create PS file using IDCAMS utility?


3 10718

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Un-Answered Questions { VSAM }

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..


What is control interval?


Differentiate between ci split and ca split?


explain how do you define a gdg in vsam?


What is the main purpose of having user catalog in vsam?


what do you mean by gdg in vsam?


what is the syntax of ams modal commands?


how can you load a vsam data set with records ?


what is the purpose of the verify function of idcams?


what is buffering and how does it apply to vsam files ?


what is meant by s0c-07 system abend codes?


Explain the function of entry-sequenced data set?


On which dataset you can have alt index?


what is meant by dirty read in vsam?


differentiate between sequential files and esds files in vsam?