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 compute verb? How is it used?

1087

Explain the configuration section of a cobol program with examples of syntax.

1131

Write a program to explain size error.

1147

What are the various section in data division and briefly explain them.

1119

explain sorting techniques in cobol program?

1150

Explain about different table spaces.

1049

Explain sorting techniques in cobol program? Provide the sort file definition, the sort statement, its syntax and meaning

1046

How are the next sentence and continue different from each other?

1232

how do you reference the esds vsam file formats from cobol programs

1135

What is the problem of ordered sequential files access?

1115

Write the code implementing the perform … varying.

1017

how do you reference the variable block file formats from cobol programs

1186

how do you reference the printer file formats from cobol programs

1151

How to remove the spaces at the end of each record in the output file of variable length, via cobol program?

1112

Discuss about changing dataset name in proc.

1176

Un-Answered Questions { IBM MainFrame }

How to use the same COBOL program in Batch and CICS on lines? explain with an example

2331

What is recovery parameters in define cluster command?

998

Explain the use of DCT ?

1010

In the EIB block of CICS, highlight the names of few of the important fields?

981

What is the maximum length of a single line of jcl?

1295

Name the two types of transient data queues?

1010

What are foreign keys in db2?

1046

What do you mean by commit and rollback?

983

How can a stopped job be started again?

1146

What are the main control blocks available in ims db?

1040

In case if at some point of time db2 is down, would that impact the pre-compilation process of a db2-cobol program?

999

What is a trigger in the db2 database?

1024

what is eib, how is can be used?

1056

what do you mean by idcams? Explain its purpose?

917

What is a bind in idms?

828

For More Un-Answered { IBM MainFrame } Questions Click Here