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From Kim Haase <camilla.ha...@oracle.com>
Subject Re: What do you use to get an ER diagram of an existing Derby database?
Date Wed, 23 Jan 2013 20:17:50 GMT
Here are a couple of possibilities from people who've used such tools:

1)   What I've used is called MySQL Workbench, freely available at 
http://dev.mysql.com/downloads/workbench/ (GPL license).
   First dump the sql structure from a DB using dblook 
(http://db.apache.org/derby/docs/10.8/tools/ctoolsdblook.html) and then 
import into workbench.

   Sometimes the sql file is not perfect (specific derby syntax for 
something) but it's something very easy to change during import.

2) I've also used a tool called schemacrawler to generate diagrams. The 
output formats include PNG and SVG.

It works with a bunch of different databases, and will generate the 
graphic on a live database.

The downsides are that the diagrams don't look as nice as MySQL 
Workbench, and I couldn't get it to graphically show the FKs.

Hope this helps!

Kim Haase

On 01/23/13 02:19 PM, Al Eridani wrote:
> Hello, we have an existing Derby database that we would like to
> document with an entity relationship diagram.
> I'm looking for a tool (preferably free) that will be able to generate
> the diagram by inspecting the database.
> I use Eclipse under Linux and I have the Data Tools Platform
> Enablement Extender SDK installed; it works well to make queries,
> but no diagramming.
> Thank you in advance for any pointers.
> Al

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