Interested to Buy Any Domain ? << Click Here >> for more details...
How to read a PF in reverse(from last rec to first) using CL?
- 3 Answers
- 12822 Views
- HCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / harkesh
IN THIS EXAMPLE I M USING EMPFILE FOR READING IN REVERSE
ORDER.
PGM
DCLF FILE(EMPFILE)
OVRDBF FILE(EMPFILE) SHARE(*YES)
OPNQRYF FILE((EMPFILE)) KEYFLD((EMPNO *DESCEND))
READF: RCVF RCDFMT(MPFILR)
MONMSG MSGID(CPF0864) EXEC(GOTO CMDLBL(END))
GOTO READF
END:
ENDPGM
| Is This Answer Correct ? | 27 Yes | 5 No |
Answer / ankur
using opnqryf command we can read file in reverse order in CL.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / abhijeet m
OVRDBF FILE(ABC)
MBR(ABC)
POSITION(*END)
RCVF ABC
| Is This Answer Correct ? | 1 Yes | 10 No |
what is exception and how many types of exception
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?
When u create a PF and did not fill up Maint parameter, then by default which access path will the system take & why
WHAT IS THE DIFFERENCE BETWEEN 'COLHDG' AND 'ALIAS'?
How we can't update join logical files?
How to find the list of source physical files in a library?
what is multiple member pf
can we concate fileds in physical file? If yes how can we do?
What is the interactive job? What is the batch job?
In a CL Program after executing a SQL SP how to receive a Output value from the SP. Just to make it clear I am sending 2 input and 1 output parameter to the SQL Stored Procedure. Now while receiving it output parm it is failing.
one physical file can have how many max of logical files? what is the primary file?
how to update physical files using normal logical file
RPG400 
