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 difference between drop table and delete table?

1157

What is the difference between using bind () and rebind () methods of naming class?

1359

What is the difference between plan and package in db2?

1066

How to create backup table in db2?

1056

How to check sequence on a table in db2?

1020

What is declare cursor?

1076

How do I connect my db2 database to ibm?

1008

What is explain plan in db2?

954

Can we update view in db2?

965

What is null indicator in cobol db2?

1010

How to connect to db2 database from windows command line?

1020

How do I add a column in db2?

1017

What is node in db2?

1010

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

992

How to access db2 tables in mainframe?

1019

Un-Answered Questions { IBM MainFrame }

Explain the difference in data type "x" and "p"?

991

What is a storage group (stogroup)?

1207

What are the common cics service programs and explain their usage?

997

What statement can be used to send data to another mvs jes3 node?

1603

How is data retrieved from multiple tables using a single sql statement?

998

Define a path?

1047

What is concurrency?

1175

Explain the function of job statement in jcl?

1167

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

2635

Differentiate between structured cobol programming and object-oriented cobol programming.

1102

What are various loop types supported by rexx?

910

How is record management performed in vsam?

1098

What are the sub parameters for undo command?

1043

how to send a sms to a mobile through mainframe mvs?

1143

What is the syntax for FETCH in DB2 ?

1163

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