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 21694

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

HSBC,

4 11695

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

HSBC,

6 15545

How we can't update join logical files?

10 25416

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 25238

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

Accenture,

5 20666

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

4 12588

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

Accenture, Cognizant, eFunds,

3 12568

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

9 21812

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 9896

Define interactive jobs and batch jobs

6 14697

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

4 17486

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

IBM,

7 22153

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

8 17807

CRTDTA AND CRTARA should be used along with?

2 8057

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Un-Answered Questions { DB400 }

Suppose I have a pf,it contains 5 members,how to access particular member data from logical file ?and what is the use of member in pf?

1046

How many maximum record format a logical file have?

973

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

1044

What is open data path?

988

What is FORMAT keyword and its use?

601

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

1035

How to index LF by relative record no (RRN)

3285

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

968

What is the use of member in pf?

986

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

1111

How to know the particular record in pf with out reading?

1058

Where the QTEMP library will get created? if the the answer is QSYS, then howcome more than one job can create same library name(QTEMP) in QSYS? what is the uniqueness of QTEMP? For example, run the below command in different workstation WRKOBJ QSYS/QTEMP And take 8 in the option to check the description. both will have different info. so where(which LIB) exactly the QTEMP is stored?

8601

How to update physical file using logical file with example?

1054

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

1087

What is the batch job?

979

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