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?

1124

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

1067

What is the difference between copybooks and subprocedures in as400?

1356

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

1118

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

1 2031

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

1 1833

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

1 2603

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

1015

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

958

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?

953

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

1 2393

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?

936

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?

950

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 2351

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

1222

Un-Answered Questions { MainFrame }

How to Save a Query?

1574

Can you define an alias?

962

What do you mean by between and in? Is between inclusive of specified range values?

1088

What will happen if both steplib and joblib are determined?

908

can I touch the array during treatments?

1170

what if my system I runs with system value qccsid 65535?

1036

For a db2 column that is being defined as decimal (11, 2), discuss the cobol picture clause.

1100

What are literals?

1126

What are the uses of db2 optimizer?

1290

Define the term mro (multi region operation)?

1097

What is the difference between the mro & isc?

1031

What is db2 purescale?

993

How to select highest score of each subject or how to select highest income of every month?

1759

what is the difference between udate and the system date?

2055

Explain how do you set the mdt option to on status, even if data is not entered?

1096

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