What is FORMAT keyword and its use?
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What is the difference between access path and open data path?
How to retrieve a physical file after deleting that?
Can anybody tell why Journalling is compulsary before Commitment Control?
i have a PF,it contains 5 members,how to access particular member data from logical file ?and what is the use of member in PF
Why we create the Physical File Member?
how to add a new field to a file without compiling it?
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?
how to know total no of records in pf with out using sql??????
Last statement of any RPG pgm is LR?
How can i retrieve city while my i have one field address length 60 but i don't know what where is city in this field ?
What is open data path?
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 
