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

assume ther are 5000 records in a database and want to fetch using cursor. cursor fetches only 3000 records and fetch is not happening for remaining 2000 records. why it happens and how to rectify it

TCS,

1 3200

in db2, already 10 columns arie der, and i want to insert 11th column. what parameters u wil consider for insertion and how will u insert

TCS,

1 3194

how to create physical file

1 2439

I have 60 steps in the JCL and want to Execute Only First from PROC by overriding in JCL ?

1838

How to override loadlib?

Fiserv,

2040

When it is desirable to describe files Internally?

1714

I have File 1 occurs 5 times with Employee-ID,Employee-Name,Employee-Dept (EEE and MECH). I have File 2 occurs 10 times with Employee-ID,Employee-Name,Employee-Dept (EEE,CIVIL,CHEMICAL and MECH). In FIle 1 and FIle 2 , for matching Employee-DEPT (Only MECH) , we need to move entire records from file1 to file 2. We should not use 2D array. Your help is needed here.

Steria,

1566

How Chain operation copies the record's data to the input buffer for the program?

IBM,

1606

Hi Guys, I have faced one interview question if I have requirement to add 5 new columns to existing table what are prerequisite do i need to take.

1 2913

Difference between file status codes 02 and 22.... since both are for duplicate key detection.

1 3130

what is the use of keep and pass in disp

1 2834

How to create delta file using JCL

CTC,

1 3616

How can you find out which query is taking lot of time to execute in cobol-db2 program ?

Danske,

1 3664

Which command can you use to check for the number of records in a physical file?

1319

How we will get issues on AS/400 technology ? I mean which issue/Defect Tracking tool is using in all companies when any issue comes? Can anybody explain about the work flow of AS/400 project ? plzzz

1701

Un-Answered Questions { MainFrame }

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

1043

What is the function of dd name parameter with a 2 part structure; audit.report?

1243

what is the resolution for sb37 error

9125

What is a set? How may sets be ordered?

833

What is NOTCAT ?

1334

What is an OOK-Rec?

1706

What is interval control?

1134

How are type 1 and type 2 indexes different?

1018

what are the thress bms options?

1229

what is arrival sequence?

1883

Which command can you use to check for the number of records in a physical file?

1319

define the purpose of the *cat function?

1674

How we will get issues on AS/400 technology ? I mean which issue/Defect Tracking tool is using in all companies when any issue comes? Can anybody explain about the work flow of AS/400 project ? plzzz

1701

How many databases are there?

1054

Explain the difference between using the read command with into option and set option?

1023

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