IBM MainFrame (5234)
IBM AS400 (1355)
IBM PL/1 (31) why is the declare cursor statement is used for?
what is the command used to invoke rlu ?
can you specify a display file to be used in the following modes input,output, or combined modes ?
Explain how are you going to remove duplicates from the file that is being read?
why is there no os/2 (ecs) port of oorexx?
In RPG How to read a records from a file without using read opcodes?
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."
Difference between array and sub-script ?
What is comp-1?
What does reorg do in db2?
how to compare two datasets without using superce because output is limited to 133 bytes
Explain how to pass instream data in sysin with assembler?
we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.
what are necessary keywords to code message subfile?
How to compare two files in SYNCSORT and on the mismatch record should be deleted from second file.