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?

1073

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

1015

What is the difference between copybooks and subprocedures in as400?

1306

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

1077

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 1764

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

1 2530

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

953

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

904

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?

896

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

1 2316

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?

892

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 2279

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

1174

Un-Answered Questions { MainFrame }

What is the role of data manager in the db2 database?

1051

can anybody post me about file-aid and changemen tools pls and give me reference if any mainframe guys are there

2324

What are the pertinent COBOL commands?

3105

Define an asra abend?

1029

what happens in execution stage in job processing?

1087

how can a gdg base be created in a jcl. What is the difference between empty and scratch parameter while defining/altering gdg base?

1229

Tandem COBOL Interview questions (on TACL,SCOBOL,ENSCRIBE,PATHWAY0

23565

What is node in db2?

986

how to define to define a hidden filed in dspf ?

1254

What do you mean by CEMT?

1203

Enlist the features of rexx as a programming language.

970

What statement marks the beginning of an in-stream or cataloged procedure in jcl and assigns default values to parameters defined in the procedure?

1247

Suppose you are processing an input file in a natural program and you want the program to fail if the file is empty. What command you use in natural to force it to fail?

978

what if I need to have the same application running on multiple platforms, such as unix and the mainframe? Does that mean I have to maintain two separate sources?

861

What is the difference between physical file and logical file?

1070

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