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,

2586

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

IBM, L&T,

3 8038

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

TCS,

1 5898

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

IBM,

1 4260

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,

8758

how to resolve sb37,sd37 se37 abends

Keane India Ltd,

3 24134

delete rules in db2

Keane India Ltd,

1 8048

how to compress the data set

Keane India Ltd,

8 18989

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

HCL, Hotel Jobs,

2 11026

what is Reentrancy and Quasi-reentrancy?

1 4967

how to modify the copy book?explain with examples

TCS,

2 6263

what is static and dynamic call with examples?

IBM,

4 9620

how to resolve the soc4 error?

ITC Infotech,

5 11883

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

TCS,

2 13607

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

IBM,

4 12910

Un-Answered Questions { IBM MainFrame }

Explain how many work file we can code in jcl?

987

Hi, i would like to start a new carrier in DB2 DBA.Which and what all step should i have to take..?

3157

how can you define a dataarea(DTAARA) IN RPG? Which spec you define it C-spec/D-spec?

1863

What are the information stored in ci?

1006

What is view db2?

1076

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

1253

what is the responsibility of the construction superintendent

2147

Are scope terminators compulsory? If they are, when?

959

What do you mean by commit and rollback?

1043

what are the various stages of job processing?

1284

What is concatenating?

1082

What is a hyperdescriptor?

936

Explain cemt transaction commands?

1163

what is diffrence b/w file-aid tool and file-aid utility???

4892

Is it possible that the redefines clause has different picture clauses compared to the one it redefined?

1152

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