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 happens to a cursor after a commit?

3 9966

What do you do to keep the cursor from closing after a commit?

1 6943

How do you check for a null value in a db2 column?

2 11816

Have you used comp and comp-3 in your project? And how?

IBM,

2493

Why we are using comp and comp-3 in real time projects?

IBM,

4 15217

Have you used the sort in your project?for this type of questions any working on real time project give the eg. with real time scenario.

IBM,

2444

How to code fscode 10 in cobol program? Where yoy code in your pgm?give ans for the question.

IBM,

2 10470

how to check whether the open command of a sequential file is successful? or not?

CSC, IBM,

2 14528

I am Submitting one job in batch that job calls three progams(PGMA, PGMB, PGMC). PGMB should be called after sucessfully completion of PGMA as like for PGMC also. So Can you please tell me how can we do that (without using data area)

CTS,

2 8909

What is use of IMPORT and EXPORT in RPGLE ? What is activation Group ? What is Service Program ???? How to call another program in RPGLE ?

1 12696

when this error ocuurs in openqry file 'OPNID(BANKPF) for file BANKPF already exists.'?

ITC Infotech,

2 10412

how to see the error messages for each command in cl?

CGI,

2 7373

how to restrict upon adding the data for field reference file in DB400

1 4297

can we retrieve dspf source?

2 12240

For AS/400 Freshers good website is

HCL, HP,

3 19112

Un-Answered Questions { MainFrame }

What is the difference between oracle and db2?

1125

Can we concatenate fields in physical file? If yes how can we do?

1064

how do I preserve and clean the array?

1163

Explain the job statement in jcl?

1177

How to Build a Row Condition?

1735

What is NOTCAT ?

1345

Explain the mdt in cics?

1176

can all users have the privilage to use the sql statement select * (dml)?

1188

How to check sequence on a table in db2?

1076

why is there no os/2 (ecs) port of oorexx?

1011

State all the file open modes?

1087

How to execute a query in qmf at a particular time?

952

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?

971

Explain the jcl exec statement?

1160

Explain about rct in db2?

1121

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