What is the primary file?


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what is dynslt and why we use that command when do we use command

2 Answers   Active Brains, UHG,


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?

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wirte a simple program for read file in cl

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can we concate fileds in physical file? If yes how can we do?

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How to index LF by relative record no (RRN)

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can any one tell me what is meant by PSSR? Kindly elaborate it...

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Which keyword is used both in subfile and subfile control record format of a DSPF?

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what is the purpus of the chain and setll and setgt ?

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what is open data path? and what is the diff b/w access path and open data path?

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what is multiple member pf

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how to update physical files using normal logical file

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I have a pf, it contains 5 members, how to access particular member data from logical file?

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