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

Are scope terminators compulsory? If they are, when?

919

Explain a linkage segment

1003

What is meant by deadlock in db2?

1190

Why do you need a secondary index in an ims?

923

What is the difference between hdam and hidam databases?

1077

What is inspect and what is it used for?

947

What do you mean by an alias?

1000

Can min or max be used with alphanumeric data?

940

List the type of locks?

893

Is the order of the when clause important in an evaluate statement? Is the order of the when clause significant in an evaluate statement?

921

What is next sentence and continue unique?

1006

What is meant by drda?

921

What do you mean by linkage section?

966

Is it possible to move an alphanumeric incentive to a numeric field?

944

Which is the difference between delimited by size and delimited by space?

1032

Un-Answered Questions { IBM MainFrame }

Can you explain enq and deq used in cics?

1038

What is meant by explain?

1083

What is catalog database in db2?

1117

List down the types of triggers in the db2 database?

981

What is the difference between read work file 1 and read work file once? Why we are using work file once?

936

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

1154

What does a disposition of (MOD,DELETE,DELETE) mean ?

1090

what is utility for parm lib

2327

What is the procedure to solve an ASRA ABEND?

1004

Kindly specify the pic clause for the any bll cell type of data fields?

1181

Can we delete records from view?

932

how can we describe comp sync?

997

What is plan and package in mainframe?

901

Explain in detail about buffer manager and its functionalities?

1022

what happens in execution stage in job processing?

1104

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