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 40044

What are all the ways we can create datasets?

IBM,

7 12926

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 6096

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

CTS,

3 10088

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

iGate, Tech Mahindra,

4 15616

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

Cognizant, Keane India Ltd,

5 11218

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 11343

what is the difference b/w sequential and ESDS

EDS, IBM, Maples,

6 11967

what is freespace

EDS,

2 9309

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

EDS,

4 10923

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 11585

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11602

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 9967

what is vsam catalog ?

Tech Mahindra,

2 8368

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

4 10020

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Un-Answered Questions { VSAM }

explain in brief why do vsam take more disk space than other utilities?

1013

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

868

there are seven idcams commands in vsam. Can you name and explain each of them?

1061

what do you mean by a upgrade set in vsam?

1017

how do you create an alternate index ?

1021

Explain about the file objects in vsam?

985

what do you mean by gdg in vsam?

1143

OPEN INPUT StudentFile READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ PERFORM UNTIL EndOfStudentFile DISPLAY StudentId SPACE StudentName SPACE CourseCode SPACE YOBirth READ StudentFile AT END SET EndOfStudentFile TO TRUE END-READ END-PERFORM CLOSE StudentFile STOP RUN what will be output

2458

Why is master catalog used in vsam?

1042

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

1119

What does the keyranges parameter in define cluster commends do?

892

what is the syntax of ams modal commands?

1203

what is a base cluster in vsam?

1085

How do you calculate record size of an alternate cluster?

1066

what do you mean by a shareoptions parameter (shr) in define cluster command?

1187

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