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 22003

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

HSBC,

4 11934

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

HSBC,

6 15811

How we can't update join logical files?

10 25793

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 25597

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

Accenture,

5 20869

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

4 12751

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

Accenture, Cognizant, eFunds,

3 12732

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

9 22195

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 10063

Define interactive jobs and batch jobs

6 14933

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

4 17690

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

IBM,

7 22437

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

8 18084

CRTDTA AND CRTARA should be used along with?

2 8177

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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? What is the use of member in pf?

1159

Last statement of any rpg program is lr?

1121

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

1185

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?

8713

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

1047

How to change the batch job to interactive job?

1039

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?

1142

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

1153

There is one string as A B C and wanted to display string as Shri A Shri B Shri C, how we can do this in sql? If we have around 100 values in string like this, each value should be displayed with initials as Shri.

1218

What is the interactive job?

1063

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

1017

How to retrieve a physical file after deleting that?

1160

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

1192

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?

1091

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

1081

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