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

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 37050

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 19516

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

CSC,

5 13645

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

2 11351

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

Patni, Satyam,

7 20138

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

Wipro,

1 15030

how to view clusters that has more than 10000 records

2 6188

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

TCS,

6 12497

What is the maximum number of Alternate Index ???

4 11337

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

3 9464

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

BEA,

4 27239

how to see the last records in vsam dataset??

1 8181

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 8900

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 8578

can we create PS file using IDCAMS utility?

IBM,

3 14010

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Un-Answered Questions { VSAM }

what do you mean by define model parameter?

1229

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

1030

What does the keyranges parameter in define cluster command do?

1125

Explain about the file objects in vsam?

1102

Why is it required to have a keyed directed retrieval?

1088

Define base cluster?

1055

explain how can you initialize a vsam file before any operation?

1153

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

1161

explain how do you define a gdg in vsam?

1090

What is the biggest disadvantage of using a vsam dataset?

1202

Define dynamic processing?

1062

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

1079

what are s0c1, s0c4, s0c5, s0c7 abends?

1378

What is the use of access method services in vsam?

1125

what do you mean by gdg in vsam?

1257

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