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

Explain about open switch business continuity software?

1072

How to read and write a single record into a file. I would like to use it to enter a single 8-character piece of information and use it to put it into a variable for processing in JCL. Thank you

1014

What is the difference between copybooks and subprocedures in as400?

1305

Why we have multiple data types in As400 and why we use numeric, packed, decimal, zoned the basic difference between this?

1076

Can we move X(7) to S9(7) COMP?

1 1945

Can we change a FB file to VB file in JCL? Please help

1 1763

Can a indexed file be accessed in arrival sequence in RPG?

1 2529

How do u design a physical file, when you have 2 Unique fields like for eg in A student file student ID and student examination no both are unique

952

How to write record if no field or the field are different in physical file in rpgle ?

903

When we have a file with Duplicate records and I want to read the unique record from the file. For example a file containing Emp Name as 'Ram' and there are 3 entries of it. So how to read a unique record from File?

895

How to read a record from file where there is multiple record occurrence is available?

1 2315

Assume 2 users are using the same file and first user updates some record in the file. Will the 2nd user will be able to see the updated record or not?

886

1. If there are two programs using same file and 2 users are using the file at the same time and what can be done to allow them both to access? 2. How can remove lock from the file for accessing it by both users?

891

If I have a file with 5 record and that file has 2 Key field and I want to read the unique record of the file then how can we achieve it?

1 2277

write a cobol logic. i have file that has 10 records .1 record go to first output file and second record goes to 2 output and etc

1173

Un-Answered Questions { MainFrame }

Can we delete records from view?

914

how many buffers are allocated to vsam ksds and esds?

1111

what is the difference between JES3 and JES2?

1085

Can you explain exec cics handle condition command?

998

if we want to use a gdg which is already created by some job, then how to use the reference of the last generation in a jcl?

2218

What methodology can be adapted to transfer data to a program that is coded using the exec statement?

1137

Differentiate between PCT and FCT.

1090

What is the cobol picture clause of the db2 data types date, time, timestamp?

1008

What is the function of dd disp parameter?

1072

INREC AND OUTREC? HOW TO SPLIT 5K RECORDS TO DIFFERENT FILES IN A FILE IN COBOL? RESTART IN COBOL-DB2? ISOLATION LEVELS?

816

Please send me the real time scenarios in Mainframe Project... i.e., it may be in banking or insurance sector or any other no problem..... please send your mails to krishnaprasadbvs@gmail.com

11681

How to declare the pull button in AS/400..

2288

Explain in detail about buffer manager and its functionalities?

992

by using xpeditor if we want to debug the subpgm, how can you code in x-ped for mai-pgm n sub-pgm ?

2221

Explain how can the submitting users racf authority be overridden in a job stream?

1077

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