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Note: In these answers we will follow a few shorthand conventions for describing user-interface procedures. Key combinations will be presented like this: Ctrl+Alt+Delete, which means that you should press and hold down the Control key, the Alt key, and the Delete key at the same time. Menu selections will be presented like this: File->Open, which means that you should open the File menu, and then make the Open selection.

There are always LOTS of questions about Revelation/AREV; here we hope to help answer some of those questions.  Below is just a quick 'info' list about Revelation/AREV, but the real 'meaty' FAQs are listed to the left.  If you have any suggestions, additions or corrections, please use our Suggestion page to let us know.

In General

  1. Revelation Technologies AREV FAQ.
  2. Why Revelation?
  3. What are the hardware requirements for AREV ?
  4. What is the cost of AREV 3.12 and multi-user upgrades?
  5. What environments does it run in and what do I need to consider for each?
  6. What are the top 5 AREV bugs? (link to another site)
  7. What is the IDX_SETS problem and how do I fix it?
  8. Differences between Universe and AREV

Why Revelation?

I'm not sure, except to say that since I started programming in 1979, the PICK operating system has always been my favorite, and except for a good friend of mine who developed the first PICK type system on CP/M, Revelation has been the only one to really emulate PICK on the PC in a fashion I consider acceptable.  Simply, it's Revelation's Multi-Valued (see our MV Ring page) architecture gives it power that a 3rd normal form (i.e. most all other languages) database simply can't achieve.  I had said since 1983, when I started using RevG pre-1.0, that if I could find a better database, I'd use it; for non-ODBC applications, I still haven't (but I'm still looking).  The MV architecture, combined with a very powerful 4GL (program generator) give Revelation the ability to write complex programs in a matter of hours instead of weeks or months, and the screens can be changed within minutes of a request.

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What are the hardware requirements?

Basically, AREV will run on an 80286 with 2MB of memory and any machine greater than that.  The only caveats are that some of the new really fast machines need some special considerations.  See our FAQ on HARDWARE questions about that.

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What is the cost for AREV and add-ons?

Click here to go to the pricing sheet.

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Operating Environments and considerations for each?

Click here to go to the ENVIRONMENTS page.

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What is the IDX_SETS problem; how do I fix it?

Subject:
Re: IDX_SETS errors [FS445]
Category:
AREV Specific
Author:
Larry Wilson (TARDIS Systems, Inc.)
Date:
08/04/98


1) all workstations MUST be using the same logical drive letter to access AREV (i.e. F: or G: or whatever)

2) this may be two separate problems. If you are not on 3.12, the
IDX_SETS is most closely related to the SELECT bug in pre-3.12 AREV.  The answer here is to upgrade to 3.12.  If you do not upgrade, you may, or may not, get the proper records during a SELECT.  This bug has been acknowledged by Revelation, Inc.

3) I always create a volume on the local C: drive (I call it, cleverly, C:\AREVLOC) where I create a LISTS table and have it attached last so that the LISTS is truly local, preventing conflicts).

4) Set your SORT path as C:\AREVLOC also.

5) Make sure your RESET command does not modify the above parameters
(or whatever verb (program) you use when they RESET, SYSTEMRESET or do and ESC at a break. Mine always includes and UNLOCKALL and a re-attach of C:\AREVLOC and resets the sortpath.

Differences between UniVerse and AREV

This page, on the Ardent website lists the TCL and Basic language differences between AREV and UniVerse.

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