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

Define cobol?

1397

What are different data types in cobol?

1315

Define static linking and dynamic linking.

1188

How to know whether the module is dynamical or statistical?

1134

What is the difference between next sentence and continue in cobol programing language?

1220

For rewrite, why is it mandatory that file needs to be opened?

1104

Mention the guidelines to write a structured cobol program?

1093

What is the difference between version control and debugging tools?

1047

What is mainframe testing?

1101

What is the difference between the mro & isc?

1035

What is the cics command that is used to access current date and time?

1120

Describe major components of db2?

1091

Explain about rct in db2?

1104

What is db2?

1178

Explain various types of locks in db2?

1140

Un-Answered Questions { IBM MainFrame }

can oorexx run ibm object rexx programs?

1005

How do you round the addition or subtraction of two numbers in assembler?

1023

What is the difference between PIC 9.99 and 9v99 in COBOL?

1331

Explain the purpose of the file status clause in the select statement?

986

What is the use of runstats in db2?

1104

What is mainframe computer /system?

1019

what are bind concepts in db2 cobol?

1090

What is syscat in db2?

1003

define cond parameter in jcl?

1269

How many databases are there?

1052

Mention one alternative aspect of CICS?

1070

what is the facility that allows mainframes to be partitioned into lapars? A.z/os b.pr/sm c.vitual storaged.coupling facility

1197

Explain ibm z?

1008

Suppose I have a ksds file. I have a records like 1,2,3,4,5,6,...100. I want to read using dynamic mode like from 10 the record onwards like, 10,12,14,16,18,....60. Wat is the command for this?

669

How to Get Information About the Tables?

1685

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