what is multiple member pf
Answer / raghav
Whenever a PF is created, a default member is added to it with the same name as PF.
We can added multiple member to it by using ADDPFM command.
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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
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?
Maximum how many fields we can create under a record format of PF?
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How to know the perticular record in pf with out reading?
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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?
In how many ways we can create a logical file?`
how to know total no of records in pf with out using sql??????
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