how can we write LF using flatfile.
Answers were Sorted based on User's Feedback
Answer / jitender singh
U can do in the following ways
Suppose u have Flat file XYZ of 10 lenght
What u do in LF
R REC1 PFILE(XYZ)
FLD1 I SST(XYZ 1 3)
FLD2 I SST(XYZ 4 7)
IN this way you can also name the filed in LF
| Is This Answer Correct ? | 17 Yes | 3 No |
Answer / kk
By using SST k/w in LF, we can write LF using Flat File
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / nirosh
In the system 36 environment, we have procedure named
BLDINDEX for create Logical file for Flat file. First We
can run System 36 environment using STRS36 command. Then
type this command & you need to give starting position of
the key field & length of it.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / nirosh
BLDINDEX MLR?WS?,28,8,ML.RETUR,,DUPKEY
BLDINDEX ML.HIS?WS?,9,6,ML.INVHS,,DUPKEY,,17,5
TYPE BLDINDEX in system 36 environment & F4
BLDINDEX PROCEDURE Optional-*
Ignored-%
Crtes an alternat index for a physical file
Name of file to be CREATED . . NIROSH
Start posit for 1st field of key 1-4096 6
Length of first field . . . . . 1-120 5
Start posit for 2nd field of key 1-4096 1
Length of 2nd field . 1-120 5
Start posit for 3rd field of key 1-4096
Length of 3RD field 1-120
Name of PHYSICAL FILE . . . ML.CRDR
Creation date of physical file
Allow duplicate keys DUPKEY,NODUPKEY DUPKEY
Prefer disk locn A1,A2,A3,A4,block number
Enter
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / fahim
suppose flatF name is flat1 n want to relate with lf so follow the steps
recfmtname(flat1) pfile(flat1) and compile it n run lf
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sagar
Suppose u have Flat file FLATPF of 70 lenght
R FLATPF PFILE(SAGARLIB/FLATPF)
FLATFLD RENAME(FLATPF)
FLD1 I SST(FLATFLD 1 5)
FLD2 I SST(FLATFLD 7 8)
FLD3 I SST(FLATFLD 16 4)
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / dm400
Create a SQL View over Flat file..SQL view is a almost LF
| Is This Answer Correct ? | 0 Yes | 2 No |
If we use the file level keywords like LIFO, FIFO, FCFO in a file, can we see the impact of it by doing the run query of the file? if not how can we see the impact of these keywords.
What is open data path? And what is the difference between access path and open data path?
How to read a pf in reverse(from last record to first) using cl?
what is the difference between adding keys & constraints into a phisical file
How can we handle errors in RPG?
How many max. Record format a logical file have?
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?
Hi, Please give the answer to this question? I have Phisical 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?Please give me answer?
How to update physical file using logical file with example?
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.
How can we know that a trigger has been added on a PF? and what is the purpose of adding a trigger?
YOU CAN DELETE THE RECORD SPACE PERMENANTLY IN PHYSICALFILE THROUGH CL?