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Can we create 300 logical files based on a single physical
file using the CRTLF command only once?.
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Answer / devender s gusain
No You can create single LF at a time. you can select
multiple members of a PF.
| Is This Answer Correct ? | 14 Yes | 0 No |
Answer / prasanna
NO it is not possible to create 300 Logical file only one
file at a time is possible on a command line. May be we can
300 members for a same logical file using crtlf
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / manoj
If we write utility program then then we can create 300
logical files based on a single physical
file using the CRTLF command.
| Is This Answer Correct ? | 3 Yes | 2 No |
Answer / abhishek kumar
Maximum number of keyed logical files built over a physical
file member is 3,686 files
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / ps
We can create but important question why do you want to
create 300 LF on PF? i think purpose of LF is to fetch/view
data as per requirement. Ideally each LF on same PF should
have different key list . i don't see any point of
creating 300 logical. this will degrade performance .
| Is This Answer Correct ? | 2 Yes | 2 No |
Answer / danish hasan
Yes we can do so..but each LF name should be diffrrent
| Is This Answer Correct ? | 2 Yes | 6 No |
I guess yes... because if we write crtlf and press F4 it
gves us option to create many logical files at the same
time... Please correct me if i m wrong
| Is This Answer Correct ? | 1 Yes | 13 No |
If there are 1000 member(PGM type) in a SRC file. How can we compile in a CL program? ( It need to be done in a loop)?
RETRIVING DELETED RECORDS :- I'm frequently asked how to retrieve deleted records from an unjournaled physical file when the deleted records have not yet been removed from the file. Utility UNDEL lets you undelete records in a physical file. This public domain program is available in CISC and RISC versions, and the complete source code is available for download at: UNDEL for AS/400 Save File (RISC): http://www.as400network.com/sharewarefiles/undelris.zip UNDEL for AS/400 Save File (CISC): http://www.as400network.com/sharewarefiles/undel.zip UNDEL for AS/400 Save File (Source code): http://www.as400network.com/sharewarefiles/undelsrc.zip The utility takes advantage of the fact that deleted records in physical files are only flagged as deleted, and the record data still exists until it is overwritten or the file is reorganized with a utility such as RGZPFM. UNDEL simply reads the deleted record, then reuses the record by writing over it with the new record (thus eliminating the flag for the deleted record). Some homegrown and commercial utilities copy the file containing undeleted records to a save file, then use a program to read the save file, which contains live and undeleted records, to a file to undelete the records. The UNDEL utility is superior to the SAVF technique because there's no need to copy the file to a save file, which is especially important for really large files. When run, UNDEL displays the physical file records in their unformatted, raw text form. You can either position the display to a given relative record number or use F19 or F20 to find the previous and next deleted record, respectively. The utility also includes online help, which is almost unheard of for free utilities. Other utilities include the ability to undelete records. You can use the RTVDLTRCD command in the old QUSRTOOL (no longer supported by IBM). QUSRTOOL is now a commercial product called TAA Productivity Tools ( http://www.taatool.com ). The free file editor WRKDBF has a built-in undelete capability ( http://www.wrkdbf.com ), and several commercial file editors can undelete records. For a complete list of file editors, go to http://www.sourcebook400.com, select "Programmer Tools" under "Product Category," then select "File Editors."
Im traying to get out put of this below mention simple logic code.But im geting out of different.(im trying with my laptop trhough my company server. DCL &FIELD1 *CHAR 10 VALUE('TCS AS/400') DCL &FIELD2 *CHAR 10 CHGVAR(%SST(&FIELD2 1 10))(%SST(&FIELD1 10 1) Can you tell me the value of field2 after excuted of CHGVAR command.
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