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

VSAM Interview Questions

Questions Answers Views Company eMail

What is the difference between PS file and VSAM file?

IBM, Infosys, Verizon,

7 40413

What are all the ways we can create datasets?

IBM,

7 13190

Hi, I want to create alternate index on VSAM file.my file structure is ex: RoomID pic x(7) R000001 Floor pic a((6) First RoomNo pic x(2) FA1 Occupied(yes/no) pic a(3) Yes Occupied Batch pic x(10). Maths i want to create alternate index on floor,roomno fields.can i create alternate index on both the fields.and tell me how to create.

1 6177

How to declare the EMP Name, EMP No., DOB in VSAM KSDS file? Please explain.....

CTS,

3 10266

Can we copy Vsam files from a Vsam file in Iebgener step?

iGate, Tech Mahindra,

4 15833

By looking into the Jcl can we identify the dataset is VSAM?

Cognizant, Keane India Ltd,

5 11456

By looking into JCL can we identify the dataset is VSAM (VSAM dataset supposed to be a input dataset).In this scenerio how will we identify the dataset is VSAM ?

Cognizant, EDS, Shridhar,

5 11563

what is the difference b/w sequential and ESDS

EDS, IBM, Maples,

6 12194

what is freespace

EDS,

2 9456

what is control interval(CI) and control Area(CA)

EDS,

4 11131

If we are using empty VSAM file, we can see this empty file by using FILE AID tool. How can we open empty VSAM file if you are using in Program..?

3 11769

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11780

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10178

what is vsam catalog ?

Tech Mahindra,

2 8461

when u r using repro command what happens if both infile and outfile names same

4 10247

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Un-Answered Questions { VSAM }

Explain the biggest disadvantage of using a vsam dataset?

1044

explain in brief what are the 3 types of vsam files?

1106

If fspc(100 100) is specified does it mean that both the control interval and control area will be left empty because 100 % of both ci and ca are specified to be empty?

1098

what is a base cluster in vsam?

1136

Explain about the file objects in vsam?

1040

what do you mean by define model parameter?

1150

What makes vrrds different from vsam?

1242

What is a ca split?

1079

What is the device independent method to indicate where a record is stored?

1049

what do you mean by the repro command?

1097

difference between vsam and database tables

1133

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

1112

What is a base cluste?

1094

What is the place for VSAM KSDS?

1103

is it required that primary key values have to be unique? Do alternate key values have to be unique?

1053

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