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

Parm value passed is PARM=(10,20). how do code linkage section and how would you add these two passes values and show result in cobol program.

IBM,

3 8184

write a program to eliminate duplicate records in a input file and send them to output file.

IBM,

2 6480

wirte a pgm in using files in which we hav 10 ,20,30 40...100 records in inputfile and i want them to be send to outputfile in reverse order. PLZ HELP ME OUT .........THIS IS A RECENT QUESTION IN IGATE..

iGate,

5 9951

if a=b how the flow will complete??? perform test through test-exit. perform activa through activa-exit. test. if a=b then next sentence else move a to c. test-exit. exit. activa. -- -- activa-exit. exit.

IBM,

1 4548

how to resolve soc-7 ? please tell me

IBM,

3 8339

What is the difference between Sysin,Sysout,Sysdbout and Sysudump?

3 15675

Could anyone clearly explain the diference between sub query and correlated sub query?

3 6024

Can we use MVC instruction to move pack field to pack field....which instruction you will use and why ?

Amdocs, IBM,

4 12438

write a program to eliminate duplicate records in a input file and send them to output file.THIS IS IGATE RECENT QUESTIONN.....JUST 1 WEEK BACKKKK...

iGate,

5 20070

In CICS, BMS what is the use of FREEKB parameter

IBM,

2 12449

how many maximum no of variables can be declared in linkage section ?

HCL,

2 6632

what are the isolation levels and where we use it in the db2 program

TCS,

3 8186

what is scope terminator

IBM,

2 6025

what is the drawback of vsam dataset?? a.execution slow. b.free space. c.independent storage device. d.none of the above. let me know the answer with reason.

Target,

4 8042

which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?

3 6427

Un-Answered Questions { IBM MainFrame }

Write some characteristics of cobol as means of business language.

1149

what is the use of IEBGENER utility?

1176

What is the difference between read work file 1 and read work file once? Why we are using work file once?

973

Explain the meaning of spufi?

1040

What are the contents of a dclmgen?

1136

Explain various types of locks in db2?

1162

I have a COBOL program that ACCEPTs some input data. How do you code the JCL statement for this?

1207

What is a configuration management system, give examples?

1033

what are transient data sets defined to cics?

1183

Define cics interface block?

1006

What's The Percentage Free Space ?

1233

Explain the significance of dbid used in adabs?

964

List down the data types in the db2 database.

1133

List down the types of triggers in the db2 database?

1036

Can I cleanly uninstall oorexx?

974

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