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

Answer Posted / jothi lakshmi

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


Logical File: contains only an index to the data stored into
the physical files.

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how do u compile rpgle program?

627


Hi,Can any body give the code for the below mentioned quetion.?Im trying to get coding in with easily inderstanding.Plese give me the coding for this? 1.How would you achieve this requirement with out using RPG/RPGLE pgm,but by using only CL?Read a database file and display file contents on the screen when enter key pressed the next record should be displayed on screen.When the last record is reached or when F3 key is pressed the program should exit if the file is empty,a message should be displayed indicate that there are no records to display. Database file Name=EMPDBF Fields in EMPDBF to be displayed on screen Employee Number- EMPNUM(5,0) Employee Name- EMPNAM(30,A) Employee Address-EMP ADDR(50 A)

1736


describe the difference between the dowxx and douxx operations?

1175


when do you explicitly open files and close files in an rpg program?

1187


Hello, I have created a CMD type object. In one of the fields in Display file , I would like to see All the Source files present by pass the name of Library. Tried using CHoice(Keyword) and Choicepgm on PARM , but doesn't seems to be working. Any help please..

1787






What is file information data structure(infds) in as400?

973


what is the function of cpysplf command?

980


what is a physical file?

1007


WHICH REPLY CODE IS USED BT sftp ? ... (e.g.226 is used by FTP IF FILE IS TRANSFERED)

1720


define the rcvf command?

994


how do you use commitment control in rpg program ?

1280


how to read database records without locking them?

1143


What is diff between EVAL & MOVE?

973


the maximum number of subfiles that can be active for a single file is ____ .

1181


how to pick up the changed records every time in a subfile after the first change made ?

1017