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 dbkey?

879

Explain about few error status codes of idms.

882

Discuss some of the terminology of idms.

924

Difference between fixed length and variable length records.

843

Explain storage architecture of idms.

844

Is automatic restart possible in jcl?

1220

How jcl work to handle various input output file operations?

1169

Is their any set of rules for dd? Explain.

1194

What is use of restart and how to use it?

1317

Can I share my data with other jobs? How?

1114

Are there any set of rules for the names of the steps used in a job?

1136

What is the significance of addrspc parameter in exec statement?

1210

What are the parameters that are used in creating a gdg?

1214

Differentiate between addressing mode and run mode.

1079

I want my job (careerride) to be executed in 1 minute and 2 seconds. How do I do that?

1236

Un-Answered Questions { IBM MainFrame }

Is it possible to code instream data in a PROC?

1332

Explain processing program table(ppt)?

1157

Discuss about db2 bind?

1097

what do you mean by the cobol record key clause in vsam?

1023

What is linkage section?

958

what is the use of IEBGENER utility?

1172

what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?

1009

name a few common vsam status codes?

1060

What is the function of dd disp parameter?

1135

How to resolve deadlock issue

20133

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2785

Define the term function request shipping?

1025

why should SYSIN DD * statement should not be included inside a PROCedure snippet??? please answer this.. i need to know.

2456

write a jcl to execute a job by 7:00 am on jan 20,1986?

1114

What is bind in db2?

1042

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