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 dbrm? What it contains? When it will be created?

1051

What is the difference between spufi and qmf?

1134

What is the max length of sqlca?

1216

Explain cedf transaction commands?

1147

Explain the difference between tsq and tdq

991

Explain cemt transaction commands?

1165

what are the reserved words for cics?

1098

Explain cebr transaction commands?

1074

Why do we need integrated cics translator?

1061

Explain processing program table(ppt)?

1161

What is bms map?

1205

Explain ceci transaction commands?

1030

What is an ims database?

1147

Explain psbgen process?

1200

What do you mean by hierarchical database?

1203

Un-Answered Questions { IBM MainFrame }

How to find schema of a table in db2?

1016

Define db2.

1119

What is a hyperdescriptor? How does it work?

1118

What are s0c1, s0c4, s0c5, s0c7 and socb?

1176

What is commit in db2?

1058

What is bmp mode?

3542

Kindly specify the pic clause for the hhmmss type of data fields?

1071

what are the differences between temporary storage queue (tsq) and transient data quene (tdq)?

1227

Explain the difference between a symbolic map and physical map?

1037

How to find the UNIT and VOLUME of a (a) KEPT (b) UNCATALOGED and (c) CATALOGED dataset - using (i) JCL and using (ii) ISPF ?

2681

What are the information stored in ci?

1006

Define static linking and dynamic linking.

1196

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

3770

How to submit jcl through a cobol program?

1150

Explain how pa key is different from pf key?

1163

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