HP3000-L Archives

May 1997, Week 3

HP3000-L@RAVEN.UTC.EDU

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[log in to unmask][log in to unmask], 15 May 1997 17:29:46 -0600788_us-ascii Jeff Kell <[log in to unmask]> wrote on HP3000-L:
>
>[...previous answers snipped...]
>
>Here's another way of looking at a true RDBMS vs
>Indexed/Networked/Heirarchical database models:
>
>With IMAGE, you can have all of your internal pointers, indexes, and
>other "relational" information completely hosed by a catastrophic
>failure and you can fully recreate the database from the raw data (well,
>with the exception of the bitmaps that show active/free status of
>records within a block).
>
>With an RDBMS, the data is scattered around everywhere, and many
>"tables" (depending on the specific software) are simply pointers to
>the data and not "duplicates" [...]40_15May199717:29:[log in to unmask]
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Date:
Wed, 21 May 1997 10:23:05 CDT
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     We are currently considering purchasing Adager with the
     competitive upgrade from DBCPlus.  I would like to verify one
     thing before I give my recommendation to do this.  Sometimes it
     is necessary to abort people out of the application and this
     often causes minor data corruption. This corruption can be fixed
     buy using the FIXSET or FIXBASE commands in DBCPlus (this
     happened yesterday).  Are there equivalent commands in Adager?

     Thanks,

  ---------------------------------------------------------------
  Barry Durand      "The opinions expressed in this
  Systems Engineer II    email are not necessarily the
  Gulf South Health Plans    opinions of my employer"
  [log in to unmask]
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