MainFrame Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31)

MainFrame Interview Questions

Questions Answers Views Company eMail

What is the difference between base table and view?

7 32823

I have a KSDS File.I hav a Records like 1,2,3,4,5,6,...100. I want to read using Dynamic mode like from 10 th Record onwards like, 10,12,14,16,18,....60. Waht is the command for this.

CTS,

2 8516

what is the difference between adding keys & constraints into a phisical file

HSBC,

4 11725

what is the difference between adding keys & constraints into a phisical file

HSBC,

6 15579

How we can't update join logical files?

10 25491

what is the purpose of DMPCLPGM IN CL?

IBM, Wipro,

3 19613

How can i write a comp-3 variable into a sequential file should i declara the field in the file description as comp- 3?

1 11206

I want to change the attribute of field or want to add new field in existing PF but condition is format level identifier should not change, is it possible?

Mind Tree, TCS,

9 25293

what is QSAM?use of the QSAM?how it is used?

1 7040

Alt key is used for what type of vsam file

3 7570

How many cluster index can have in a table?

HSBC,

3 7478

what is level 66 means??

7 27872

What is UNION,UNION ALL?

2 13380

What are the different types of VSAM files available?

CSC,

3 12661

What is Control Interval, Control Area ?

L&T,

1 7291

Un-Answered Questions { MainFrame }

What is consistency token in db2?

1143

please..could u give an example about USAGE IS POINTER ..and explain why and when we use it ?

2472

What is parallel sysplex?

816

What is cobol db2?

1001

Whenever a cics program goes through a compilation process, there is always some extra code that is added to the program. Where exactly does this new piece of code go to and what is it termed as ?

1032

Can we move alphanumeric incentive to the numeric field?

1051

How many maximum base registers we can have in a single program?

1107

under given circumstances, my cgi should link to another site. How to implement this?

1020

What rules are to be followed while using the corresponding options?

1071

What are the two types of fields available in ims db?

1023

How to run db2 command in windows?

1193

Is automatic restart possible in jcl?

1220

What is the purpose of dd dummy statement?

1463

How to get the last record in vsam file in cluster? And how can you get the ksds file records into your cobol program?

1143

Explain how to build up lu 6.2 communication?

1034

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