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 13353

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

HSBC,

4 6931

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

HSBC,

6 10181

How we can't update join logical files?

10 16457

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 15563

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

Accenture,

5 14726

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

4 8305

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

Accenture, Cognizant, eFunds,

3 8347

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

9 13540

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 5981

Define interactive jobs and batch jobs

6 9968

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

4 12325

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

IBM,

7 15571

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

8 10753

CRTDTA AND CRTARA should be used along with?

2 5222

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Un-Answered Questions { DB400 }

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

How to update physical file using logical file with example?

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

What is the primary file?

How to read a pf in reverse(from last record to first) using cl?

How many maximum record format a logical file have?

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

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?

Last statement of any rpg program is lr?

How to retrieve a physical file after deleting that?

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

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

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

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?

5940

What is the use of member in pf?

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