When u create a PF and did not fill up Maint parameter, then
by default which access path will the system take & why
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Answer / syam
Access Path Maint parameter use *IMMED.
Access path is updated each time a record is
changed, added, or deleted from a member.
| Is This Answer Correct ? | 25 Yes | 0 No |
Answer / prabhas
Default access path is based on key if it is keyed PF, If
the PF is not keyed then default access path is Arrival
| Is This Answer Correct ? | 4 Yes | 12 No |
one physical file can have how many max of logical files? what is the primary file?
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?
How many max. Record format a logical file have?
I had created one physical file tell me command to enter data in to?
What is open data path?
how can we write LF using flatfile.
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
what is exception and how many types of exception
There are six records in a file and we are going to update that records and used commit operation when it complete the update but suppose when it updating the third record,a error occured and operation failed.Is previously two records will be update or whole operation will be rollback? Please confirm it.
can we concate fileds in physical file? If yes how can we do?
what is open data base command
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how to restrict upon adding the data for field reference file in DB400
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