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

can anybody explain significance of *loval setll with example code????

3 13919

If i am going to change some variable in a copybook( size or variable type) ,what are the changes that need to be done in the corresponding JCL.

IBM,

4 14817

What is Tclass in cics?what is its importance? How it is implemented?

IBM,

2 13399

How to compare 2 files using File-Aid?

IBM,

1 12962

I have four steps in jcl they are STEP1,STEP2,STEP3 and STEP4. Can it possible to run the reverse order like step4 first then step3,step2,step1?

Broadridge, HCL,

4 21781

how can we can we the data decimal error?how can we open such file in support

1 3160

Can you give the sort card to arrange the specific column in the version of GDG.

1 5808

01 var1 pic s9(9)v99. 01 var2 pic x(30). procedure division. move 12345.99 to var1. move12345.99 to var2. display var1. display var2. what is the output?

IBM,

2 9690

TO abend the data sholud open in which mode? 1.new 2.old 3.mod 4.shr

MNC,

1 8621

I have two questions here. 1. How to read a flat file in reverse order? 2. How to read a VSAM KSDS file in reverse order? In both the cases we donot know the total number of records.

L&T,

1 11311

I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one

2452

What is the difference between SIBLINGS and TWINS in IMS-DB database

IBM,

2 11079

It's possible use %TRIM statement like rpgile?

2 5829

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

2493

i want to perform uniqness on db file bt my db file nt hving key by useing rpgle.

HSBC,

3 6866

Un-Answered Questions { MainFrame }

how does union file maintains record formats?

1109

can we describe the results of opening for input empty vsam files in a cobol program?

1018

what is externally described file ?

1666

Explain how are you going to remove duplicates from the file that is being read?

1012

Explain the purpose of dd dummy statement?

1225

There is one string as A B C and wanted to display string as Shri A Shri B Shri C, how we can do this in sql? If we have around 100 values in string like this, each value should be displayed with initials as Shri.

1182

Code the related portions of cics/cobol-i programs to gain addressability to twa area assigned to a particular task. Assme that the size of twa area is 300bytes. What are the advantages if cobol-ii is used in the place of cobol?

1146

how can I give more performance to some selected pages?

1036

What is data trace system 2.0 used for?

5654

how do you read changed records backward in subfile?

1106

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

1769

what is the difference between JES3 and JES2?

1138

What is an area sweep?

895

what is the difference between packed decimal and zoned decimal?

3250

Why would you use find and get rather than to obtain?

1193

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