What is the primary file?
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what is dynslt and why we use that command when do we use command
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?
wirte a simple program for read file in cl
can we concate fileds in physical file? If yes how can we do?
How to index LF by relative record no (RRN)
can any one tell me what is meant by PSSR? Kindly elaborate it...
Which keyword is used both in subfile and subfile control record format of a DSPF?
what is the purpus of the chain and setll and setgt ?
what is open data path? and what is the diff b/w access path and open data path?
what is multiple member pf
how to update physical files using normal logical file
I have a pf, it contains 5 members, how to access particular member data from logical file?