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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?
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Answer Posted / hit1
ans-1: use crtlf and hit f4 there is a option of phy file and the desire member u wanna use.
| Is This Answer Correct ? | 3 Yes | 1 No |
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Can we concatenate fields in physical file? If yes how can we do?
What is the difference between access path and open data path?
What is the primary file?
There is one string as A B C and wanted to display string as Shri A Shri B Shri C, how we can do this in sql? If we have around 100 values in string like this, each value should be displayed with initials as Shri.
What is the interactive job? What is the batch job?
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?
I have physical file with 100 records,there is no any duplicate records in this pf.based on this pf one logical file I have used.but this lf is viewing only 80 records only of that pf?what is the reason for this?
What is open data path?
How to find the list of source physical files in a library?
What is the use of member in pf?
Where the QTEMP library will get created? if the the answer is QSYS, then howcome more than one job can create same library name(QTEMP) in QSYS? what is the uniqueness of QTEMP? For example, run the below command in different workstation WRKOBJ QSYS/QTEMP And take 8 in the option to check the description. both will have different info. so where(which LIB) exactly the QTEMP is stored?
What is the purpose of the chain and setll and setgt?
How to retrieve a physical file after deleting that?
How to index LF by relative record no (RRN)
