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

How to Canceling out of the Dialog Panel?

1 2979

I want to remove a duplicates form a given input field using rexx program. please Any one help me out to solve this ... Thanks in Advance.

1 3447

I want to remove a duplicates form a given input field using cobol program. please Any one help me out to solve this ... Thanks in Advance.

IBM,

3 17020

how can you define a dataarea(DTAARA) IN RPG? Which spec you define it C-spec/D-spec?

1867

what are the common errors that occured while programming in AS/400?

1536

IF a file has 10-members how do you process all of them? using CL& USING RPG?

1 2595

WHAT ARE THE RETRIVAL ORDER OF FILES IN RPG&sql?

1 2549

Why we use "OCCUR" with multiple occurence DS(Data Structure)?

1 2518

difference between MSGSFL AND SFL?

1 3230

what are the commands that frequently used in cl?

1 2687

how to find a "source of particular program"?

1 3100

what does the keyword SFLRCDNBR?

1 2645

is it possible to create a new field dynamically?

1 2517

what is the msg id for OPNQRYF?

1 2771

have you ever know what is the meaning of Packed Decimal

1577

Un-Answered Questions { MainFrame }

How to code the db2 queries using rexx, and also plz send some link and examples using db2 queries?

928

How does the jcl specify the job to os?

1160

Explain the processing modes available in ims db?

3636

What is the default value(s) for an initialize and what keyword allows for an override of the default?

1216

What is input procedure?

1006

what does vldcmdkey means?

1372

how will you find a particular line in debugging if its a infinite loop

1767

I like to know if possible to use %TRIM or any statement with prefiv "%" like RPG ile programs. thanks

2493

Which division and paragraphs are mandatory for a COBOL program?

1285

How do you eliminate the duplicates?

923

what operation is performed by job statement?

1131

Why select is not preferred in embedded sql programs?

1307

In a test environment, is there a need to run a runstats?

975

Explain difference between read work file 1 and read work file once? Why we are using work file once?

972

Is it possible that the redefines clause has different picture clauses compared to the one it redefined?

1158

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