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?

1190

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

1134

What is the difference between copybooks and subprocedures in as400?

1416

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

1181

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

1 2149

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

1 1927

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

1 2696

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

1066

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

1031

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?

1010

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

1 2484

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?

996

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?

1009

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 2461

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

1304

Un-Answered Questions { MainFrame }

what is the maximum number of files allowed in rpg?

1721

define the purpose of the *cat function?

1752

what is term cua , saa?

1691

Explain cebr transaction commands?

1121

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

1091

Explain the function done by data manager?

1338

what is the command used to invoke rlu ?

1986

explain how can you initialize a vsam file before any operation?

1154

what is the clp command to access a query/400?

2244

what are the three line types in rlu ?

2276

Which isolation level provides maximum concurrency?

1208

during execution, an rpg/400 program automatically follows a sequence of operations for each record that is processed. The built-in program cycle includes the following logical steps.

1281

Explain the purpose of dd dummy statement?

1277

What do you mean by storage group (stogroup)?

1085

what are the thress bms options?

1311

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