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DB400 Interview Questions
Questions Answers Views Company eMail

Last statement of any RPG pgm is LR?

 5 11138

Maximum how many fields we can create under a record format of PF?

 5 8834

There are six records in a file and we are going to update that records and used commit operation when it complete the update but suppose when it updating the third record,a error occured and operation failed.Is previously two records will be update or whole operation will be rollback? Please confirm it.

 2 6103

How many max. Record format a logical file have?

Systime,

13 21602

Can anybody tell why Journalling is compulsary before Commitment Control?

 2 6453

Why we create the Physical File Member?

 5 15058

Is Constent can be define as a key field?

 3 6496

Is it possible to create a logical file whose Physical file is not in same library?

 6 12223

How to add a field to a PF and compile it without loss of data?

 7 25828

How to find the list of source physical files in a library?? Is there any way to get a list??

Infosys,

5 20611

How to index LF by relative record no (RRN)

 2819

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

 3 9181

How to read a PF in reverse(from last rec to first) using CL?

HCL,

3 10873

How to retrieve a physical file after deleting that ? what is keyword used for that....??

 6 17677

When u create a PF and did not fill up Maint parameter, then by default which access path will the system take & why

HCL,

2 6990

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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 ?and what is the use of member in pf?

616

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

519

What is the interactive job?

563

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.

715

What is the primary file?

567




How to update physical file using logical file with example?

568

Can we concatenate fields in physical file? If yes how can we do?

575

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?

7399

What is FORMAT keyword and its use?

186

What is the batch job?

560

How to change the batch job to interactive job?

569

What is the use of member in pf?

522

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

569

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

582

What is open data path?

559

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