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 40425

What are all the ways we can create datasets?

IBM,

7 13200

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 6178

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

CTS,

3 10268

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

iGate, Tech Mahindra,

4 15839

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

Cognizant, Keane India Ltd,

5 11458

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 11570

what is the difference b/w sequential and ESDS

EDS, IBM, Maples,

6 12195

what is freespace

EDS,

2 9460

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 11771

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11781

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10180

what is vsam catalog ?

Tech Mahindra,

2 8461

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

4 10249

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Un-Answered Questions { VSAM }

What is the purpose of having vsam data space?

959

what are the codes returned by the ams (access method services) command during the execution in vsam?

1289

What is the main function of linear dataset?

1090

what does a file status of 02 on a vsam signifies?

1181

explain how do you define a gdg in vsam?

1033

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

1112

Define dynamic processing?

1014

how do you define an altindx ? How do you use altindxs in batch, cics programs?

1073

explain the differences between vsam and non-vsam files

1159

Using alternate indexes in cics program?

1013

what is the purpose of the verify function of idcams?

1056

what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?

1009

how can you copy to a vsam cluster?

1147

What is the difference between lds and esds?

1048

Using alternate indexes in batch program?

1109

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