Logical File Questions and Answers

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DBCS "open data type" problem - time-critical situation

BACKGROUND: We use a case tool to create simple file maintenance and inquiry programs over our core software's database. The new release of our core software has added DBCS support, and has changed a lot of long fields which were formerly data type "A" to data type "O". Our case tool is recognizing...

View Answer   |  Jul 27 2009  4:12 PM GMT
DBCS, open data type, Data conversion
asked by Choyle

  100 pts.

iSeries Navigator V5R3M0

Hi all, I have a DDS from a logical file on my system: A R I55120 PFILE(F55120) A K ICBOX A S ICSTAT COMP(EQ 'I') A ICTIPC COMP(EQ '1') How can I make this index...

View Answer   |  Jun 18 2009  3:39 AM GMT
iSeries Navigator, V5R3, DDS
asked by RBDSILVA

  180 pts.

What does a Logical File in AS/400 contain?

Does it contain data. If not then why do we need a member for alogical file?

View Answer   |  Jun 12 2009  6:40 AM GMT
Logical File, AS/400 administration
asked by AXM

  5 pts.

Rebuilding Logical Files

What does rebuilding a logical file do? Is rebuilding the same as recompiling? Or, is it a separate process How often should they be rebuilt? If you reorganize a physical file, does that rebuild the logical files as well?

View Answer   |  May 27 2009  4:57 PM GMT
iSeries, Database maintenance, Rebuilding Logical Files
asked by Dcantwell

  165 pts.

Database Issues - Trying to prove that something has to be done

Hello Everyone, I'm currently trying to prove a concept on why we should re-create our old existing PFs into SQL defined tables (Portability, performance, etc.). After taking a look at some files, I noticed an even larger problem that would ruin my chance of proving this concept. Unless some...

View Answer   |  May 26 2009  2:16 PM GMT
Database issues, iSeries, Indexes
asked by Dcantwell

  165 pts.

Logical file with Substring fields

I have a Physical file field 100 characters long. But it has more than one data elements with various data types in this field. I know these sub fields’ types, starting positions and lengths. I tried to create a Logical file to describe these sub fields using “SST” function. But I got an...

View Answer   |  May 12 2009  4:12 PM GMT
DDS Source, SST, lf
asked by Nhewage

  40 pts.

DB2 logical files

HI, i wanted to know if i can add a new field to a PF via a logical file. If yes give me an example. thanks....ram

View Answer   |  May 6 2009  9:38 AM GMT
DB2/400, Logical File, Physical File
asked by Ten2008

  705 pts.

DDS with temporary name for Physical file

Good day all ! On AS400 I have a CL program that creates a temporary Physical file with variable name. File name is created with "user_id + job_name + time". How can I create a logical file, specifying in DDS for logical file that my PFILE is temporary and has variable name ? Thanks !

View Answer   |  Apr 9 2009  1:41 PM GMT
DDS, CL programs, Logical File
asked by Lenny2113

  115 pts.

CL/400

I would like to convay my Thanks ReshmaG & Gilly400. My main requirement is I have a Physical file called PF1.On this there are 20-logical files are depended . I have changed some attributes on my PF1. Now I want to recompile all the Lgical Files , which are depended on PF1. I am writing code...

View Answer   |  Mar 26 2009  10:35 AM GMT
CL/400, Physical File, Logical File
asked by Khadar

  90 pts.

CL/400 CRTLF

while creating an object for a logical file we will use in CL/400 CRTLF FILE(library/logical-file-member) SRCFILE(SARKNS/FIVE) But I need to give the logical-file-member name as a field like this pgm Dcl var(&var1) type(*char) len(10) chgvar var(&var1)...

View Answer   |  Mar 26 2009  7:43 AM GMT
CL/400, CRTLF, Create Logical File
asked by Khadar

  90 pts.

Position to in Single page subfile

Hi I have one PF with Policy No . , Cust. Name and both fields are key fields in PF . I want to use position to for field cust name which is the second key field in PF . So is there any way to do this without creating any Logical file ??????(in single page subfile)

View Answer   |  Mar 16 2009  11:26 AM GMT
Subfile, Physical File, Logical File
asked by S22

  35 pts.

Merge two Physical Files using Logical File

I have multiple Physical files (Trans2006, Trans2007, Trans2008, etc…) with same record layout with the yearly transactions on my iSeries. I want to merge these files (for temporary period). Is it possible to create a Logical file? If so please help me.

View Answer   |  Mar 12 2009  10:41 PM GMT
DDS, Physical File, Logical File
asked by Nhewage

  40 pts.

Selecting Fields in Logical File

If you would make a logical file and select only fields you need from a physical file that has 500,000 records it, Would it cause a performance issue when a record is updated in the PF?

View Answer   |  Mar 9 2009  5:26 PM GMT
Logical File, PF, Physical File
asked by Programmer23

  20 pts.

Override to a Logical File

hi, I am trying to create an override to a logical file. I have a PF File A which has a logical AL1. My CL program can run in a build/copy mode where Build would just build the work file and copy would build & copy the workfile etc. The CL has an override to A called B and then calls the RPGLE...

View Answer   |  Feb 24 2009  4:55 PM GMT
Logical File, PF, CL programming
asked by Ninoo

  35 pts.

join logical files

Hi, Can i join one physical file's 2nd member to another physical file's 5th member? Is it possible? If so how? can anybody help me out?...thanks

View Answer   |  Jan 29 2009  6:06 PM GMT
DB2/400 RRN, Join logical files, Logical File
asked by Ten2008

  705 pts.

AS/400: Unique records in file

hi all, i have a problem , suppose i have a physical file which has multiple occurrences of fld1 , now i need to access that in distinct (one data single time) order. so i created a logical file with UNIQUE keyword . but when i make query on this LF then msg comes that no member found. and a dump...

View Answer   |  Dec 2 2008  8:39 AM GMT
PF/LF, Logical File, Physical File
asked by Ambrish 82

  275 pts.

FORMAT keyword in non-join logical files -- what and how?

How do I use FORMAT keyword in a non-join logical file? What is the main purpose of that keyword?

View Answer   |  Nov 4 2008  5:46 PM GMT
DB2, Logical File, FORMAT keyword
asked by AS400 - Ask the Expert

  395 pts.

Logical file update during FTP

When are the associated logical files updated when a physical file is receiving data via FTP?

View Answer   |  Oct 28 2008  8:15 AM GMT
i5/OS, PF/LF, Logical File
asked by Chandlerbing818

  40 pts.

Can an AS/400 COBOL pgm have a logical & physical file open and referenced at the same time

In the COBOL program, using calls to IO modules, can the same file be opened with a physical fiile definition and a logical file definition at the same time? Or can it be opened as a physical file and then read by logical key and updated with physical key? Or does the file have to be opened as...

View Answer   |  Oct 9 2008  8:40 PM GMT
COBOL, Logical File, Physical File
asked by Khalon

  10 pts.

DB2/400

what is the difference between logical file and View in DB2/400

View Answer   |  Sep 4 2008  8:03 AM GMT
DB2/400, Logical File
asked by Rajeshece

  440 pts.

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