What is the difference between a Physical File & a Logical?
- 28 Answers
- 102273 Views
- Accenture, ACS, IBM, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / 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 |
Answer / subbaro.d
IN PF IT TAKES MEMORY AND IN LF DONT TAKE MEMORY ONLY READ ONLY
| Is This Answer Correct ? | 18 Yes | 24 No |
Answer / ka
the physical file exists on ssd(secondary storage), logical
is not exists on ssd
| Is This Answer Correct ? | 19 Yes | 28 No |
Answer / sasi
1.IN PF WE CAN VIEW ALL THE DATA
2.IN LF WE CAN SORT THE DATA(WE CAN SEE ONLY LIMITED DATA)
| Is This Answer Correct ? | 12 Yes | 22 No |
Answer / vishal
PH file is the core data file.
where LF is the duplicate value of ph file that is use only
for display.
| Is This Answer Correct ? | 11 Yes | 21 No |
Answer / rk
physical representation a file may take, the logical view
of a unix file is the same
| Is This Answer Correct ? | 12 Yes | 25 No |
Answer / harish
hi guys, i also have one aswer for logical and physical files
correct me if im wrong.
logical file= file which is in memory {temporary}
physical file = which is stored on an external
disk...{external storage medium}
what do u recon guys?
| Is This Answer Correct ? | 9 Yes | 24 No |
what are the basic features of seu?
define the purpose of the leave operation?
What is an ICF file?
What are the types of data structure in as400?
how to get the particular field's records in CL without using OVRDBF,OPNQRY? tell me the concept?
what is code for reading member in rpgle when wehave like extmbr(*all) so we have 3 members in *all then i want to read first record in 2member
1.what are the builtin funtions in cl pgg?Explain with example 2.what is meant by left outer join?where we can use this?
(1)In Cl Program,Are PGM and ENDPGM mandatery Keywords or not .If yes, please tell me why these keywords is necessary. (2)If we will not define these two keywords (PGMand ENDPGM) then any error will be come or not.
how do you specify the number of records to roll in a subfile ?
what is command in SFTP which is equivalent to SDUP command in FTP?
What is the difference between Array and Table?
what opcode could be used to test an alphanumeric field for all numeric values?
RPG400 
