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1)how to do date validation in rpg?
2)how to delete dUPLICATE RECORDS?
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Answer / anonymus
TO VALIDATE DATE IN RPG .GO FOR "TEST" OPCODE
TO DELETE DUPLICATE RECORDS IN RPG GO FOR READE &DELETE
OPCODES
| Is This Answer Correct ? | 13 Yes | 6 No |
Answer / madhusudhan
1. Date Validation you can do with TESTD
2. Duplicate Records. There are two ways to delete this
a. Through SQL, after selecting the RRN numbers, you can
use the delete statement in SQL to delete the unwanted
record based on the RRN
b. Through RPG, but if you use the SETLL and READE, all
the records along with the duplicates will get deleted , so
you need to use one variable for count, once it reaches 1 ,
stop doing the delete.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / riyaz
Hi Sumathi, How can u delete duplicate records using RRN?
| Is This Answer Correct ? | 5 Yes | 1 No |
Answer / raghav
1. TESTD
2. Delete from File1 F1 where RRN(f1) > (select MIN(RRN(F2)) from File1 F2 where F2.Field1 = F1.Field1)
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / chandu
We can delete duplicate records by using this:
factor1 opcode factor2 result eq
key setll pf
reade pf 50
dow *in50=*off
delete rec1
reade pf 50
enddo
| Is This Answer Correct ? | 4 Yes | 4 No |
FPF#4 UF E K DISK
C 'ABC ' SETLLR1 44 25
C *IN55 DOWEQ*OFF
C READER1 55
C *IN55 IFEQ *ON
C LEAVE
C ENDIF
C DELETR1
C ENDDO
C SETON LR
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / zhang
Hi Riyaz, Sorry I'm not Sumathi,
I guess maybe we can use SQL to do that.
Select RRN(tableA) from tableA ;
Delete from tableA where RRN(tableA) =? ;
| Is This Answer Correct ? | 4 Yes | 6 No |
1: FOR DATE VALIDATION
/FREE
TESTD(E) *ISO(WHAT EVER) DATE VARIABLE ;
IF %ERROR ;
DO SOME THING ;
ENDIF ;
/END-FREE
2: CREATE A LOGICAL ON THAT FILE WITH KEY SAY FILE1
IN RPG
FFILE1 IP E K DISK
D X S 9S 0
D
I RECORDFORMAT-FILE1
I KEYFIELD L1 (CONTROL INDICATOR)
/FREE
X += 1 ;
IF X <> 1 ;
DELETE RECORDFORMAT ;
ENDIF ;
/END-FREE
CL1 RESET X
| Is This Answer Correct ? | 0 Yes | 2 No |
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5 Answers Airtel, Four soft, Shahi Exports,
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."
RPG400 
