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

COBOL (1072)
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IMS (143)
IDMS (107)
Natural (81)
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REXX (60)
Assembler (68)
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 12497

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 9439

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

Cognizant,

6 20385

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

IBM,

10 15045

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 11739

what is linkcard in cobol?

TCS,

1 10915

what is dynamic cursor?gives syntax for this?

TCS,

1 5395

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 37856

what happens of we dont give time stamp in precompilation process

2 5562

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

HP,

3 18737

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

1 6958

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

Cap Gemini,

2 8738

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11783

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10183

how are instream data terminated?

Tech Mahindra,

3 19530

Un-Answered Questions { IBM MainFrame }

How jcl work to handle various input output file operations?

1169

What is the maximum number of columns in a db2 table?

1285

how to access data held on the jes spool?

1069

Explain how can an in-stream dataset be terminated?

1326

What is rmode(24)

1148

Define declaration generator (dclgen).

1120

What is the copy idms subschema-binds?

832

What is hierarchical database?

3723

PLEASE SEND ME THE DOCUMENTS IF ANY ONE HAVE REGARDING THE IMPACT ANALYSYS,REVIEWS

2392

Define dl/i?

3565

What is an in line perform? When would you use it? Anything else you wish to say about it.

1076

State the maximum value up to which volumes can be inserted to an stogroup?

1047

If JOBA is in MSGW due to data decimal error and DUMP is generated and I found that Decimal field formatted with some special char which is coming from Input file amd file has millions of records. How I can find out on which record the error is occur. Please share your experience.....

2170

Where is the vsam ksds placed?

980

how many buffers are allocated to vsam ksds and esds?

1167

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