What is the difference between a Physical File & a Logical?

Answer Posted / mallikarjuna raju.m

pf:physical file is an object of *file it contains orginal
data.

lf:logical file is an object of *file will not contain any
data but it holds the path.

Is This Answer Correct ?    27 Yes 12 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Can you summarize the steps I have to go through in writing my first cgi?

613


i am using non join multiple format my 3 database file is like that pf97 R REC ENAME ETENNO ESTATUS K ENAME pf98 R REC1 ENAME ESAL K ENAME PF99 R REC3 ENAME CRDCARD EID K EID & MY NON JOIN LOGICAL FILE IS ALSO SAME EXCEPT RECORD NAMES BEFORE I TRIED WITH 2 FILES SO ITS SAYS ERROR I.E.(Key field attributes must be same as for previous formats. ) SO I CHANGED KEYFIELD ACCORDING TO PF SO ITS WORKING BUT AFTER ADDING 3 FILES ITS SAYING SAME ERROR . I DONT KNOW I NEW IN AS400 PLLZ HELP ME I HAVE ONE MORE QUE. CANT BE USE DIFFERENT KEYFIELD (NOT ACCORDING TO PF) IN NON JOIN LOGICAL FILE.

1035


what is the purpose of dynslt keyword?

1027


which are the figurative constants used in rpg?

838


define the purpose of the *cat function?

978






which cl command is used to trap error messages during program execution?

861


can we define multi-dimensional arrays in rpg ?

929


how can database records be read without lock ?

1211


Difference Between Source Physical File & Physical File?

638


In AS/400 projects in Companies whats the meaning of production support team.what production support involves.also what work does development,maintenance involve what are the other teams or processes that are available for as400 project.

8519


How to debug a batch job when it is in messagewait(mswg) status. I know the steps for batch ebugging, but im confusing with when we submit any job for batch debug we put in held state. So here also do same thing or any other way?

703


difference between sflrcdnbr and sflnxtchg?

696


what does the ovrdbf command do?

663


In Which Specs Arrays, Tables & Constants Are Defined?

701


what is a spool file?

668