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 21751

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

HSBC,

4 11723

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

HSBC,

6 15575

How we can't update join logical files?

10 25486

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 25289

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

Accenture,

5 20690

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

4 12609

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

Accenture, Cognizant, eFunds,

3 12587

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

9 21860

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 9922

Define interactive jobs and batch jobs

6 14739

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

4 17511

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

IBM,

7 22185

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

8 17854

CRTDTA AND CRTARA should be used along with?

2 8077

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Un-Answered Questions { DB400 }

What is the primary file?

1131

What is the interactive job?

1021

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

975

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?

1124

How to change the batch job to interactive job?

989

What is open data path?

1000

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?

1054

How to update physical file using logical file with example?

1058

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

1097

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

1118

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

1106

What is FORMAT keyword and its use?

609

How to index LF by relative record no (RRN)

3291

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

1067

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?

8611

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