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  • Tips For Using RDP’s DDS Designer

    March 20, 2013 Susan Gantner

    In my Guru tip on the DDS Designer in Rational Developer for Power Systems, I showed you the basics of using the DDS Designer to create or maintain screens. A few changes have been made to the DDS Design tool in recent releases of RDP, and I’ve also had a bit more experience with it. So I decided it was time for an update on the topic.

    The most obvious change that has happened in recent releases is that the DDS Design perspective can now automatically be opened on a double-click of a DSPF or PRTF source member. You

    …

    Read more
  • Using SQL Joins With Tree Structures

    March 20, 2013 Ted Holt

    Note: The code accompanying this article is available for download here.

    The reason tree structures are important to me is not that they are so numerous, but that I use them every day. I don’t write programs to process tree structures every day, but many of the programs I have written still run every day. For that reason, I must know fast ways to extract data from tree structures. One such method is the SQL join.

    This article is a rewrite of the topic “Efficient Database Retrieval” from my article Recursion and the Alternatives, which I wrote eight

    …

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  • Using Incremental IFS Backup To Speed Up Backup Time

    March 20, 2013 Hey, Joe

    Is there a trick to speeding up AS/400 Integrated File System (IFS) nightly backups? My nightly backups run over 300 minutes and 120 of those minutes are tied to the IFS backup, so it runs into production hours. Here’s the Save (SAV) command I’m using to backup the IFS.

    SAV DEV('/QSYS.LIB/TAP01.DEVD') OBJ(('/*') + 
    ('/QSYS.LIB' *OMIT) ('/QDLS' *OMIT)) + 
    SAVACT(*SYNC) ENDOPT(*UNLOAD) + 
    UPDHST(*YES) DTACPR(*DEV) 
    

    — C

    To cut down on IFS backup times, you can modify your backups to perform a full IFS backup once a week and an incremental backup the other nights of the week. Here’s how this works.

    …

    Read more

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