How to find the list of source physical files in a library?
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Can anybody tell why Journalling is compulsary before Commitment Control?
When we use any keyword like FIFO,LIFO, at file level but whenever we check by runqry we couldn't find answer in FIFO,LIFO,FCFO etc so how we check the answer.
How to insert more than one record to a pf at a time?(Bulk insert to a pf)
how can we write LF using flatfile.
what is multiple member pf
how can i know logical file belongs to which physical file without source?
I have a pf, it contains 5 members, how to access particular member data from logical file?
Which keyword is used both in subfile and subfile control record format of a DSPF?
If we use the file level keywords like LIFO, FIFO, FCFO in a file, can we see the impact of it by doing the run query of the file? if not how can we see the impact of these keywords.
What is the interactive job? What is the batch job?
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?
Why we create the Physical File Member?
RPG400 
