YOU CAN DELETE THE RECORD SPACE PERMENANTLY IN PHYSICALFILE
THROUGH CL?
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Answer / bharathi
we can not update a PF from CL.
If we want to delete unused space in PF use CPYF or
RGZPFM. these are used to remove unused space.
| Is This Answer Correct ? | 17 Yes | 1 No |
USING THE COMMAND 'RGZPFM'
The Reorganize Physical File Member (RGZPFM) command
compresses (removes deleted records from) one member of a
physical file in the database, and it optionally
reorganizes that member.
| Is This Answer Correct ? | 7 Yes | 1 No |
How we can't update join logical files?
what is open data path? and what is the diff b/w access path and open data path?
YOU CAN DELETE THE RECORD SPACE PERMENANTLY IN PHYSICALFILE THROUGH CL?
Last statement of any RPG pgm is LR?
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?
What is open data path?
How to retrieve a physical file after deleting that?
How to know the perticular record in pf with out reading?
one physical file can have how many max of logical files? what is the primary file?
how to know total no of records in pf with out using sql??????
Suppose I have a pf, it contains 5 members, how to access particular member data from logical file? What is the use of member in pf?
1. How can I create a LF using crtlf command based on a particular member in a multimember PF? Where I have to specify the member name? 2. How to differentiate between the types of join from a Join logical file DDS. Is it possible to have different types of Join Logical files? 3.Any performance difference between Opnqrf and Embedded SQL? When I should prefer Opnqryf and when SQL? 4. I know access path is the path chosen by the program to retrieve data. It can be of keyed access path or arrival sequence. *IMMED- *IMMED description says access path is updated each time record is added or deleted from a member. - What is updating here? *REBLD - The access path is completely rebuilt each time a file member is opened. The access path is maintained until the member is closed, then the access path is deleted. - I am not able to understand this completely. Could anyone explain these more clearly? 5.What is the purpose of using activation group. I know it is a resource allocator, but other than this any other benefits of using an activation group?
RPG400 
