DB400 Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

DB400 Interview Questions

Questions Answers Views Company eMail

how can we write LF using flatfile.

9 21303

what is the difference between adding keys & constraints into a phisical file

HSBC,

4 11451

what is the difference between adding keys & constraints into a phisical file

HSBC,

6 15271

How we can't update join logical files?

10 24973

I want to change the attribute of field or want to add new field in existing PF but condition is format level identifier should not change, is it possible?

Mind Tree, TCS,

9 24844

WHAT IS THE DIFFERENCE BETWEEN 'COLHDG' AND 'ALIAS'?

Accenture,

5 20389

YOU CAN DELETE THE RECORD SPACE PERMENANTLY IN PHYSICALFILE THROUGH CL?

4 12378

can any one pls tell me some differences between a LF and command OPNQRYF?

Accenture, Cognizant, eFunds,

3 12393

How to insert more than one record to a pf at a time?(Bulk insert to a pf)

9 21446

how to see number of logical files depending on a pf?...can we declare more than 20 logical files from a single pf? is it possible

ocbc,

4 9726

Define interactive jobs and batch jobs

6 14444

pls anyone explain about compile time array,pre run time array run time array

4 17237

Q.1 how to implement the commitment control. 2.how to control commitment control from external program.

IBM,

7 21869

Which keyword is used both in subfile and subfile control record format of a DSPF?

8 17548

CRTDTA AND CRTARA should be used along with?

2 7927

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Un-Answered Questions { DB400 }

What is FORMAT keyword and its use?

549

What is open data path?

939

How to retrieve a physical file after deleting that?

1037

How to find the list of source physical files in a library?

1036

What is the interactive job? What is the batch job?

974

I have a pf, it contains 5 members, how to access particular member data from logical file?

923

When we create a pf and did not fill up maint parameter, then by default which access path will the system take & why?

1020

How to update physical file using logical file with example?

1004

What is the batch job?

929

What is the interactive job?

957

What is the use of member in pf?

940

What is the difference between access path and open data path?

1045

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

980

How many maximum record format a logical file have?

934

I have physical file with 100 records,there is no any duplicate records in this pf.based on this pf one logical file I have used.but this lf is viewing only 80 records only of that pf?what is the reason for this?

1051

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