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

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IMS (143)
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REXX (60)
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CLIST (6)
QMF (32)

MVS (25)
OS390 (10)
OS 2 (7)
VSAM (319)

IBM MainFrame Interview Questions

Questions Answers Views Company eMail

77 a pic x(4) value '1234' -----> instead of this 'abcd' 77 b pic 9(4) value zeros. move a to b what is the answers for both cases? IS it possible? Give me elementary move rules briefly......

8 12867

a pic s9(4) comp b pic s9(4) comp-3 c ???????????????? d ???????????????? move a to c add a+B giving d. what is ur declaration for c,d?

4 9609

The disposition parameter in the jcl is share ( DISP+SHR ) and the program opens file in extend mode what will happen?

Cognizant,

6 20705

how to delete perticular row from table for ex. how you will delete 3rd row from table please answer THANKS IN ADVANCE

IBM,

10 15400

I have a Main Program which is calling Sub-Program which is a DB2 pgm. What will happen if I am not closing the cursor used in the Sub-program? Please advise..

iGate,

3 11901

what is linkcard in cobol?

TCS,

1 10999

what is dynamic cursor?gives syntax for this?

TCS,

1 5474

i have 10 steps in jcl program but i have to exicute only 2,4,6,8th and 10th ?how it's possible?

IBM,

10 38256

what happens of we dont give time stamp in precompilation process

2 5672

what is mapfail and when we get this error? during send map or receive map?

HP,

3 18902

Is it possible to code GOTO statement in NATURAL? if yes please provide the syntax of the same

1 7047

Hi, can we call catalog( say myproc } proc n times in jcl if so how please explain Thanks in advance

Cap Gemini,

2 8870

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11961

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10348

how are instream data terminated?

Tech Mahindra,

3 19710

Un-Answered Questions { IBM MainFrame }

Define the attribute byte?

1288

What rules are followed by the search verb.

1206

What is the pic clause for the hhmmss type of data fields?

1011

What are the various error conditions seen in rexx?

985

how to initialize a register to 0000?

1218

What is the difference between read(1) and read work file once?

1122

What are the error (ONCODES) codes did you encounter in PL/1 programme?

2976

Write in brief about clusters?

1045

How to know whether the module is dynamical or statistical?

1215

What is iseries database?

1122

Explain adabas basic concepts. Like inverted list, address converter ,data storage?

1048

How many ways are there for initiating a transaction?

1107

What is the function of the dd avgrec keyword in sms datasets?

1397

What is coalesce in db2?

1190

Explore the syntax of the evaluate statement?

1021

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