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                     Dimeric Software

                    Product Information

                   Virtual Database (VDB)

                       FULL Version

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Thank you for purchasing VDB -- we hope you will find it as
useful and reliable as we do.  If you have any questions or
comments, please vist our website...

  http://www.Dimeric.com/

or send us an email...

  Support@Dimeric.com


Release Notes
-------------

2.1.10 - May 14, 2003

  --------------
  Changes in VDB
  --------------

    * None.

  ------------------
  Changes in Utility
  ------------------

    * DSDeployClient - The function NewDeployClient used
      to take a host name and port number; now it simply
      takes a URL instead.  This is more flexible, as it
      allows you to specify a document name.

    * DSDataUtil - CopyDataSet and CopyCurrentRow now 
      match column names ignoring underscores.


Documentation
-------------

This product includes context-sensitive help that
integrates into the Delphi IDE, as well as three separate
files:

  Streams and Persistence.rtf - Detailed introduction to the
    streaming sub-system of DSTools (DSStreams.pas and
    DSTypedStreams.pas).

  MiniCalc.pdf - Detailed reference for MiniCalc, the
    expression parser/evaluator offered by DSTools (the
    MiniCalc.pas unit).

  VDB-Tutorial.pdf - A detailed tutorial for VDB.  This is
    the same information that can be found in the context-
    sensitive help (minus the reference section), but in a
    format that is more printer-friendly.

This product also ships with a demo application, named
VDBDemo.  This program illustrates how to perform many
common operations, all of which are implemented using both
VDB and BDE (for comparison purposes).  The demo application
is a good place to get started with VDB.


VDB Explorer
------------

VDB Explorer was inspired by Borland's SQL Explorer, but has
a subset of its functionality.  VDB Explorer works with any
database that is supported by VDB (not just BDE).  It also
has a few features missing from SQL Explorer:

 *) Ability to cut-and-paste in the data-aware grid.

 *) Ability to export the contents of the data-aware grid to
    a comma-separated text file.

VDB Explorer allows you to browse the tables in a database,
and to execute SQL statements against a database.  It comes
in handy when you need to export data to a plain text file,
or simply to test a VDB profile string.

You may define new profile strings for use with VDB Explorer
in the "VDBExplorer.ini" file.  It is also possible to add
and modify profile strings interactively within VDB Explorer,
but the user interface for doing this is rather quirky (this
will be addressed in an upcoming release).  The file
"VDBExplorer.ini" is only used by VDB Explorer -- your own
VDB applications should use their own INI files (or the
registry, or whatever other mechanism you prefer).  Please
make sure that VDBExplorer is not running when you edit the
"VDBExplorer.ini" file.


Deploying Applications Built With VDB
-------------------------------------

VDB features royalty-free application deployment.  You may
distribute free of charge applications (EXE files) and
libraries (DLL and BPL files) built with VDB and/or DSUtil.
You may not distribute VDB or DSUtil source code (PAS, INT,
DCU and DCP files).

See the software license (License.txt) for more information.