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#1 2012-03-28 09:20:30

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Agent Vinod
From: India
Registered: 2012-03-23
Posts: 1,149

IBM DB400 Interview Questions And Answers

Mainframes :: IBM DB400 Job Interview Questions and Answers

IBM DB400 frequently Asked Questions by expert members with experience in IBM DB400. So get preparation for the IBM DB400 job interview

1 How to know total no of records in pf with out using sql?
2 Can we concatenate fields in physical file? If yes how can we do?
3 I had created one physical file tell me command to enter data in to?
4 A pf containing 100 records... my query is how to display from 11th record in the pf?
5 What is the purpose of the chain and setll and setgt?
6 what is the interactive job? what is the batch job? How to change the batch job to interactive job?
7 One physical file can have how many max of logical files? what is the primary file?
8 How to update physical files using normal logical file?
9 How to update physical file using logical file with example?
10 What is open data path? and what is the diff b/w access path and open data path?
11 How to know logical file belongs to which physical file without source?
12 How to know the particular record in pf with out reading?
13 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?
14 When we create a PF and did not fill up Maint parameter, then by default which access path will the system take & why?
15 How to retrieve a physical file after deleting that? What is keyword used for that?
16 How to read a PF in reverse(from last rec to first) using CL?
17 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?
18 How to find the list of source physical files in a library?Is there any way to get a list?
19 How to add a field to a PF and compile it without loss of data?
20 Is it possible to create a logical file whose Physical file is not in  same library?
21 Is Constent can be define as a key field?
22 Why we create the Physical File Member?
23 Why Journalling is compulsory before Commitment Control?
24 How many max. Record format a logical file have?
25 Maximum how many fields we can create under a record format of PF?
26 Last statement of any RPG pgm is LR?

2012-03-28 09:20:30

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