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 21750

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 25485

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 25287

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

Accenture,

5 20690

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

4 12608

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 21859

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 17510

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

IBM,

7 22183

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

8 17852

CRTDTA AND CRTARA should be used along with?

2 8076

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Un-Answered Questions { DB400 }

How many maximum record format a logical file have?

989

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

1097

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

1045

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

1123

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

How to retrieve a physical file after deleting that?

1115

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

975

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

1043

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

What is the interactive job?

1021

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

998

How to change the batch job to interactive job?

989

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?

1106

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.

2604

What is open data path?

1000

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