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

Can you define an alias?

916

Can you define spufi?

866

Can you explain function of dbctl?

1079

Can you define path?

934

How to compare two files by using sort?

970

Explain identify whether a call statement is a static or dynamic call?

963

Can you explain create an empty file by using sort?

894

How an empty file to be checked?

978

Can you explain function of iebgener?

976

What is the difference between inrec and outrec?

1073

When do you get -811 sqlcode and how to resolve it?

947

Can you define a gdg?

946

What are the mainframe computing pros and cons?

1058

What is an ook-rec in idms?

816

What is auto status in idms?

835

Un-Answered Questions { IBM MainFrame }

accept ws-date from date will return the current date?

960

What is the function of finish in idms?

815

what are the commands used to gain exclusive control over a resource?

1153

Name and explain the three location modes?

1318

How to submit a jcl from cics?

1095

What is a cursor in programming?

1019

How is the sorting of vsam files carried?

1066

Explain about different table spaces.

1049

What will happen if some program tries to process a queue on which an ENQ command has been issued by some other program?

2622

What is a ca split?

1012

Explain how do you intitiate another transaction?

1014

What is the binary search?

899

what is the purpose of the verify function of idcams?

1005

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

2620

Kindly specify the pic clause for the data type of length option field type of data fields?

1090

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