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

what is the compile process of cobol program expalin with code

IBM,

2504

can we modify the code in copy book? if it possible how to submit ofter the modification.

IBM, L&T,

3 7856

if we compile the cobol+ db2 program now ofter 5 years we need to compile again?

TCS,

1 5793

lines(1,cancel)??What is meant by that??Plz explain it....

IBM,

1 4146

What is the use of KSDS,LDS,ESDS,RRDS??what is VRRDS?? How are all these useful in realtime scenario??Plz helpme out...Its a recent question in IGATE..

iGate,

8692

how to resolve sb37,sd37 se37 abends

Keane India Ltd,

3 23951

delete rules in db2

Keane India Ltd,

1 7924

how to compress the data set

Keane India Ltd,

8 18643

print ids(/)char??what is the full form of ids??

HCL, Hotel Jobs,

2 10878

what is Reentrancy and Quasi-reentrancy?

1 4882

how to modify the copy book?explain with examples

TCS,

2 6126

what is static and dynamic call with examples?

IBM,

4 9408

how to resolve the soc4 error?

ITC Infotech,

5 11645

in vsam at the creation of cluster what is the use of RECSZ parameter?

TCS,

2 13500

In vsam at the cluster creation for KSDS FREESPACE parameter is required but for ESDS FREESPACE parameter is not required ?

IBM,

4 12690

Un-Answered Questions { IBM MainFrame }

Is db2 relational database?

917

What is psbgen process?

1116

What do you understand by jcl?

996

What is cursor in dbms?

1008

What is a SSRANGE and NOSSRANGE?

1417

What are different data types in cobol?

1231

The natural file converted to PDF file if Yes then explain ?

3084

Why is master catalog used in vsam?

1042

How to code the db2 queries using rexx, and also plz send some link and examples using db2 queries?

871

I would like to know some real time questions.. please any one help me.. If the changes made by you .. lead to system inconsistency how others will know its cause???

2046

what is DSN in JCL and what are the parameters to declare the DSN?

1148

Name the 3 common ways to create maps?

1062

What does the sample library of uni-rexx consist of?

1003

What is meant by an AICA ABEND?

1110

How do I add a column to a table in db2?

1051

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