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 12353

what is the function of spool command?

4 10174

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

3 6737

How to handle null values in db2

4 20234

can there be multiple mapsets for a single program?

1 4915

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

2 21492

what is the meaning of 'sysin dd dummy'

3 21440

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 13252

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

EDS,

2472

when we use sysprint and sysout statements

3 13241

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

IBM,

1 15991

wht r different types of sort fields in jcl ?

IBM,

1 35901

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

IBM,

4 8960

pls explain the precompilation process of cobol-db2 pgm

HCL, IBM,

3 23446

Can we put move statement in COBOL copybook

Global Logic,

3 15465

Un-Answered Questions { IBM MainFrame }

What is the motivation behind coding class parameter in job statement?

1180

What is dynamic transaction backout?

1135

define clustering index.

1029

Explain how will you differentiate between an internal and an external sort, the pros and cons, internal sort syntax etc

1254

what is u r recent task in insurence project?..plz tell how to tell this.

3330

What does a rollback do in idms?

966

explain how do you define a gdg in vsam?

1033

What is the place for VSAM KSDS?

1104

What is dbrm? What it contains?

1163

Hello All, We have requirment to Replace BMC Db2 Load product thru CA FAST LOADPlus product. Do anyone have JCL to for FAST LOADPLUS and what all are thing need to take in consideration.

2727

Explain the maximum number of levels allowed in ims db?

3788

Is it possible to move an alphanumeric incentive to a numeric field?

1001

How can you validate Sql errors during cursor operation in db2 pgms and where do you code?

2215

What is the advantage in De-normalizing tables in DB2?

1179

What parameters are used to control the free space in DB2?

1056

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