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

COBOL (1072)
JCL (1031)
CICS (755)
DB2 (1122)

IMS (143)
IDMS (107)
Natural (81)
ADABAS (26)

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 12488

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 9435

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

Cognizant,

6 20377

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

IBM,

10 15031

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 11736

what is linkcard in cobol?

TCS,

1 10911

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 37854

what happens of we dont give time stamp in precompilation process

2 5558

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

HP,

3 18732

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

1 6957

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

Cap Gemini,

2 8735

why do we use vsam file thn seqential files ?

Tech Mahindra,

3 11779

can we create vsam files on multiple volumes ?

Tech Mahindra,

3 10178

how are instream data terminated?

Tech Mahindra,

3 19527

Un-Answered Questions { IBM MainFrame }

Explain the difference between external subroutine and subprogram?

1225

How ENQ and DEQ used in CICS?

1443

What is control interval?

1071

Explain how can the submitting users racf authority be overridden in a job stream?

1126

I have a subprogram B calling from mainprogram A.I have opened a cursor in A ,Can i fetch the same cursor in subprogram B , If yes , Please explain the reason?

2388

How and when does the db2 enforces the unique key?

1083

Why db2 is called db2?

1039

What will be the result if on size error phrase is declared?

952

Give the format of using and giving in sort statement. What are the restrictions with it?

1036

What is an area sweep and when is it used?

1545

Tell about how do you eliminate the duplicates?

1002

How to change size of Initial number of records to *NOMAX for ALL PF files from perticular library, how can I do that

3234

Why do chiropractors use drop table?

1106

How to find the number of rows in a db2 table?

1120

What is data manager?

1049

For More Un-Answered { IBM MainFrame } Questions Click Here