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DB400 Interview Questions
Questions Answers Views Company eMail

Hi, Please give the answer to this question? I have Phisical 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?Please give me answer?

IBM,

4 9283

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

Cap Gemini,

2 8784

how can i know logical file belongs to which physical file without source?

Cap Gemini,

4 21779

what is open data path? and what is the diff b/w access path and open data path?

Cap Gemini,

3 24847

how to update physical file using logucal file with example

Wipro,

1 6620

how to update physical files using normal logical file

4 17056

one physical file can have how many max of logical files? what is the primary file?

Four soft,

3 14080

what is the intractive job? what is the batch job ? how to change the batch job to interactive job?

Four soft,

2 10318

what is the purpus of the chain and setll and setgt ?

Four soft,

2 13019

A pf containing 100 records... my query is how to display from 11th record in the pf?

3 11663

hi iam very new to as400. i had created one physical file can any one tell command to enter data in to that

Encore,

9 26444

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?

2 8611

can we concate fileds in physical file? If yes how can we do?

Patni,

5 12077

1. How can I create a LF using crtlf command based on a particular member in a multimember PF? Where I have to specify the member name? 2. How to differentiate between the types of join from a Join logical file DDS. Is it possible to have different types of Join Logical files? 3.Any performance difference between Opnqrf and Embedded SQL? When I should prefer Opnqryf and when SQL? 4. I know access path is the path chosen by the program to retrieve data. It can be of keyed access path or arrival sequence. *IMMED- *IMMED description says access path is updated each time record is added or deleted from a member. - What is updating here? *REBLD - The access path is completely rebuilt each time a file member is opened. The access path is maintained until the member is closed, then the access path is deleted. - I am not able to understand this completely. Could anyone explain these more clearly? 5.What is the purpose of using activation group. I know it is a resource allocator, but other than this any other benefits of using an activation group?

IBM,

2 11288

how to know total no of records in pf with out using sql??????

3 13071


Post New DB400 Questions

Un-Answered Questions { DB400 }

How many maximum record format a logical file have?

989


What is open data path?

1000


What is the interactive job?

1021


How to change the batch job to interactive job?

989


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.

1181


What is FORMAT keyword and its use?

608


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


What is the batch job?

987


What is the primary file?

1131


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

1106


How to index LF by relative record no (RRN)

3290


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

975


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

1045


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

1118


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

1097