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what is open data base command
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How to change the batch job to interactive job?
How to add a field to a PF and compile it without loss of data?
CRTDTA AND CRTARA should be used along with?
what is multiple member pf
Suppose 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?
When we create a pf and did not fill up maint parameter, then by default which access path will the system take & why?
Can anybody tell why Journalling is compulsary before Commitment Control?
A pf containing 100 records... my query is how to display from 11th record in the pf?
how to update physical files using normal logical file
how to add a new field to a file without compiling it?
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.
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 
