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RPG400 Interview Questions
Questions Answers Views Company eMail

Can we journel logical file and access path? Can we use commitment control for non-join L.F?

4 13875

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."

15459

I have 1000 records in a file. I would like to generate 10 identical reports from this record with same format (structure of records) how do I do this?

IBM,

1 6277

I have two sessions S1 & S2 under this 3 jobs(say j1,j2,j3 under session S1) And 2 jobs(Say j4, j5 Under session S2)is running. How many QTEMP & how many LDA will create for the same.

IBM,

9 13756

What is SFLNXTCHG keyword why it has used and where? Briefly explain with Example.

IBM,

2 19608

How do I read records from Subfile? what is the purpose of READC explain with example?

IBM,

4 18783

i would like to know under what circumstance the object will get locked on AS400.

IBM,

5 11298

what r drawbacks of OPM? Why do we go for ILE RPG?

1 10831

WHAT IS MONMSG IDENTIFIER FOR STRTCPFTP command IN cl (as/400)?

3 10587

Hi all friend, Could Any body send me the code (with coding) of this senario because I have tried but I am stucking somewhere so Please reply ASAp with coding. senario:Q: I have to write the flat file(FLAT1) into the three different PFS (PF1,PF2 and PF3) with the respect of H line data, D line data and Z line data of flat file. where I have different data in flat file(FLAT1) which is mentioned below with data. H0929200909282009092820095529420003000073 D2222220006765555webservi001633.9909222009092820090924200951 8564380134049ROSNER TOYOTA OF FREDE FREDERICKSBURVA 224080000USA840840001633.99001633.99851856492689800208001915 511001633.990408490000000.0000000003446048 1,3 110793145 09070700351 372367 Rosner Motors D3333320006774444webservi000271.2409222009092820090924200951 8564380134049ROSNER TOYOTA OF FREDE FREDERICKSBURVA 224080000USA840840000271.24000271.24851856492689800208001835 511000271.240930680000000.0000000003450293 1 110793254 09072100079 373933 Rosner Motors Z0929200900000020001905.25 FLAT1 has the three pf data H line-represents the header pf data,D-Represent Details pf data,Z-Represents the trailer pf data Now I have to write H line data of flat file into Header pf (PF1),D line data of flat into datails pf(PF2) and Z line data of flat file into pf(PF3) with the spefic position(H,D and Z data of flat file into PF1, PF2 and PF3) of flat file.

IBM,

4 10546

How do you know if a record exists without doing a READ and CHAIN?

IBM,

6 20678

What will be your approach in going either for OPNQRYF or Logical files. Which one to go for?

2 8512

How do you call procedures in ILE?

3 9302

What is the syntax of passing parameters to a procedure by value?

1 6936

How do you code file / field renames in ILE RPG?

Accenture, IBM,

4 15607


Post New RPG400 Questions

Un-Answered Questions { RPG400 }

Interviewer asked me write down DDS for load all subfile .can anybody write dds

1731


Please tell me how to read the records from a file with load an array of size with error conditions(The logic answer for this question is ARR is array of 99 elements Z-ADD 0 IDX *LOVAL SETLL FILE READ FILE 99 *IN99 DOWEQ *OFF IDX ANDLT 99 ADD 1 IDX MOVE FIELD ARR,IDX READ FILE 99 ENDDO).So,Please give me the complete of this code.

2521


How to select highest score of each subject or how to select highest income of every month?

1765


Q:HI friends accually ihave one problem plesase let me know the alternate code of this code. Related field description of code: Add a field, CALvsPRD, "Calendar Day Starts Before/After Production Day" to the parameter set WRKORDER which accepts values 'A' or 'B' o B = Calendar Day Starts Before Production Day o A = Calendar Day Starts After Production Day o Any other value indicates the production and calendar dates are always the same. code: Automatic Execution Of *INZSR Subroutine /Z01 * retrieves WRKORDER field values. /Z01 * Calculate default Production Date and return it to caller. /Z01 * Production date defaults to system date /Z01 C Eval P@Pdate = %DATE() /Z01 * unless Calendar date starts Before PDN(production) date and /Z01 * system time is before PDN Start Time then /Z01 * PDN date is yesterday. /Z01 C If W@CALvsPRD = 'B' and /Z01 C %TIME() < %TIME (W@Strtime) /Z01 C Eval P@Pdate -= %Day(1) /Z01 * unless Calendar date starts After PDN date and /Z01 * system time is *GE PDN(production) Start Time then /Z01 * PDN date is tomorrow. /Z01 C ElseIf W@CALvsPRD = 'A' and W@Strtime > *Zero and /Z01 C %TIME() >= %TIME (W@STrtime) /Z01 C Eval P@Pdate += %Day(1) /Z01 C EndIf /Z01 C Eval *InLr = *On

2530


can any one help in hawkeye and turnover or any change management system plzzzzz or send the documents to my mail id :gvsp.as4@gmail.com

2409


what is *place and *auto keyword in prtf ?plz explain

3164


how do I preserve and clean the array?

1149


what is the difference between do while and do until?

1253


How to declare the pull button in AS/400..

2333


thanks mr.Harshad R Suryawaunshi,i'm new to as400 i think you are telling in rpgile i know only rpg400 if possible can you tell in rpg400

2315


What is the difference between copybooks and subprocedures in as400?

1360


If my rpg program has a date field, what extra care I have to take while compiling that rpg program? If the file is keyed and I have declared the file as well as key list properly in my program. Still am getting an error message like "chain/reade operation is not allowed" what may be the case?

1115


Set on command is used for closed all opened files , initialize var and release resource , return cmd is used for return to calling program but my req. Is dnt close opened files and resource must released while doing transactions , how can i do this...?

2071


How to call one program from another program in RPG? please help me with the code

1732


Assume 2 users are using the same file and first user updates some record in the file. Will the 2nd user will be able to see the updated record or not?

945