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DB400 Interview Questions
Questions Answers Views Company eMail

how can we write LF using flatfile.

 9 18657

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

HSBC,

4 9569

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

HSBC,

6 13076

How we can't update join logical files?

 10 21764

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 21713

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

Accenture,

5 18460

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

 4 10817

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

Accenture, Cognizant, eFunds,

3 10745

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

 9 18529

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 8163

Define interactive jobs and batch jobs

 6 12569

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

 4 15280

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

IBM,

7 19863

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

 8 15212

CRTDTA AND CRTARA should be used along with?

 2 6856

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Un-Answered Questions { DB400 }

What is the interactive job?

568

What is FORMAT keyword and its use?

189

What is the interactive job? What is the batch job? How to change the batch job to interactive job?

618

What is the use of member in pf?

529

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?

7406




What is the purpose of the chain and setll and setgt?

575

How to index LF by relative record no (RRN)

2821

In a CL Program after executing a SQL SP how to receive a Output value from the SP. Just to make it clear I am sending 2 input and 1 output parameter to the SQL Stored Procedure. Now while receiving it output parm it is failing.

2117

What is the batch job?

564

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?

614

How many maximum record format a logical file have?

571

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?

629

What is the primary file?

571

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

522

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

557

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