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

what is record label is empty or standard in file description of data division?

HCL,

2 7389

what is label record is standard or omitted in file description of data division?

IBM, TCS,

3 25904

how would find total records in files using seqientional

HSBC,

1 9458

What is the difference between ITER and DO ? I know both are used to execute set of statements repeatedly, but what is the main difference?

CGI, Wipro,

2 17796

Hi, I am getting the error in RPG (All Record Formats for externally-described file ABCD ignored or dropped due to error; file ignored.) Please suggest any

Satyam,

2 28318

Can 88 level variable be declared in FD section..?

Infosys,

1 15557

I have 1000 rows in a db2 table.I want to update first 100 records,How do I do it?

CTS,

4 15450

How do I handle -911 (deadlock) error in a db2 program so that the program will never abend?

CTS, IBM,

3 21460

select distinct(empid),distinct(dept),name from EMP will the above query work?

CTS,

2 9025

We have an output dataset in job with disp parameter as SHR. Can we write data in that file dataset?

CTS, IBM,

2 9008

How can we increment subscript and index?

CTS, IBM,

1 8171

I have two tables A and B. Both tables are connected with SSN number as foreign key. I want to retrieve a column data from B table. How will you write a query?

CTS,

3 8679

While creating a table, by mistake you have given size of one field as 10. But as per requirement size should be 8. What is your next step?

CTS, IBM,

4 11181

We can allocate memory dynamically by using GET MAIN command my question is at what scenario we can't release this memory and reuse this same memory??

BirlaSoft,

3193

what are the paramater we cannot use in procedure?how many instream we can write in single jcl?can we call instream to catalog and ctalog to instream?

Satyam,

2 8449

Un-Answered Questions { MainFrame }

what is the meaning of dynamic processing in vsam?

995

What is the procedure to solve an ASRA ABEND?

986

Name the divisions, which are available in a cobol program?

1175

What is meant by an isolation level?

975

if you wish to use the rewrite command how must the vsam file be opened?

1112

how do you reference the fixed unblock file formats from cobol programs

1176

State the maximum value up to which volumes can be inserted to an stogroup?

1005

What is db2?

1127

how could you write a program in a structured format?

925

what is the version of os/400 that we have?

1552

Apart from opening of a file do we have any other use of USROPN?

1329

What is the syntax of redefine?

895

Define cobol coding sheet?

948

how do you reference the esds vsam file formats from cobol programs

1134

I have mainpgm(abc) this is the only cobol pgm(non-db2).And this pgm calling subpgm name "acd" this also only cobol(non- Db)and this pgm calling some other subpgm this pgm has cobol-db2 pgm. 1) IF you calling static mode how to run and how to compile? 2) IF you calling dynamic mode how to run and how to compile? plz suggestion me.

2563

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