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

suppose i have 10 job steps and i want to execute only step 6.How to write?

6 12331

what is the function of spool command?

4 10165

i have table agdet i want first 5 maximum commission which query will you write for this thanks in advance

3 6732

How to handle null values in db2

4 20226

can there be multiple mapsets for a single program?

1 4909

What is TSQ and TDQ.what is the the difference? when you for tsq and when you go for tdq?

2 21481

what is the meaning of 'sysin dd dummy'

3 21433

In a file(PS), we dont know how many records are there. requirement is divide half n half the records n insert into 2 another files(PS).

Cap Gemini, TCS,

6 13233

please..could u give an example about USAGE IS POINTER ..and explain why and when we use it ?

EDS,

2469

when we use sysprint and sysout statements

3 13232

please could u tell me the difference between SORT, SYNCSORT,CA-SORT, DFSORT,

IBM,

1 15983

wht r different types of sort fields in jcl ?

IBM,

1 35898

wht r the requirements for writing a cobol-db2 pgm ?

IBM,

4 8951

pls explain the precompilation process of cobol-db2 pgm

HCL, IBM,

3 23429

Can we put move statement in COBOL copybook

Global Logic,

3 15456

Un-Answered Questions { IBM MainFrame }

can I port my existing applications from the mainframe or os/2? Will there be extensive changes required to do this?

975

What is dclgen in db2?

1143

What is report-item in COBOL?

1154

What is the difference between external and global variables in COBOL?

1460

Why do you need a secondary index in an ims?

961

Can you define ppt and what are its uses?

1071

What is the facility that allows mainframes to be partitioned into lapars?

1101

What does db2 plan contain?

1019

does anybody know about niit technologies ? how is that company ? any body working in that company ? please answer my question.I got selected in NIIT Technologies delhi.

3002

What is the difference between ooRexx and IBM's Object REXX for Windows?

1085

What is meant by bmp mode?

1072

Name the divisions, which are available in a cobol program?

1234

What is the use of base and index registers in the IBM 360/370 processor?

3765

Which is the default, TEST BEFORE or TEST AFTER for a PERFORM statement?

1351

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

932

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