Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-27 Thread dananrg
Can Druid reverse engineer an Access 97 MDB file, say, through an OBDC
connection? I would like to replicate the schema from an Access 97
database, then be able to forward engineer to PostgreSQL and other
databases.

If Druid can't reverse engineer, can another open source tool do the
job?

Thanks very much.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-10 Thread dananrg
Bjørn T Johansen wrote:
 Yes, that is annoying But you can remove the legend by right clicking on 
 the name of
 the ER and choosing Properties.. Under Legend, you can change Location to 
 None;
 that will remove it...

Thanks Bjorn. I'll give that a try. Hopefully that will be turned off
by default in the next release. It's a nice program. Using DIA +
add-ons to do the same thing seemed inelegant. Although I hope the DIA
project continues. Needs to be added to Open Office.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-08 Thread dananrg
 I have used Case Studio 2 (fine, weak on documentation generation), and
 PowerDesigner by Sybase (truly excellent! but $$$)
 John

Thanks John.

I've been playing with Druid and it seems to be able to do what I need
it to do. It wasn't immediately intuitive to use, but the functionality
is there.

To Druid users, or those who've tried and rejected Druid, what feature
deficiencies do you see Druid as having? So long as Druid continues to
be developed, I think I'll stick with it.

Here's one Druid annoyance

One real pain with the ER Diagram is that it seems to insist on
including, and often inconveniently repositioning, a little non-entity
yellow box that says Unamed. I think it's a color legend. Anyone know
how I can get rid of it?

Other than that, I'm delighted with it so far. The auto-DML creation
for whichever database I choose is very cool.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-08 Thread Bjørn T Johansen
On 8 Jun 2006 04:30:38 -0700
[EMAIL PROTECTED] wrote:

 Here's one Druid annoyance
 
 One real pain with the ER Diagram is that it seems to insist on
 including, and often inconveniently repositioning, a little non-entity
 yellow box that says Unamed. I think it's a color legend. Anyone know
 how I can get rid of it?
 

Yes, that is annoying But you can remove the legend by right clicking on 
the name of the ER and choosing
Properties.. Under Legend, you can change Location to None; that will remove 
it...


BTJ

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-07 Thread dananrg
Bjørn T Johansen wrote:
 Have you tried Druid (http://druid.sourceforge.net/index.html) ?
 It does anything a good ERD designer do and it's free...

Thanks Bjorn. I have downloaded it but not tested it yet. I will test
it in the next few days. DIA doesn't seem like a good choice.

Did somebody say Druid can do forward engineering for PostgreSQL?

I'm a little concerned about stepping over dollars to pick-up pennies
so to speak. If Druid does about as much as the commercial diagramming
products do, then I will use it. However, if there is a non-open source
diagrammer that is USD $200 or less that does a lot more, or does what
it does a lot better - e.g. it makes me a lot more efficient, then I
would rather pay for the commercial tool.

What inexpensive (~USD $200 or less) ERD tools are out there, and are
they a lot more feature-rich than Druid?

Thanks.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-07 Thread dananrg
What about OpenOffice Draw 2.0? Can this do ER / UML diagrams that one
can then use to forward engineer DDL statements?

How does DIA compare to Draw, and wouldn't it be better to roll DIA
into OpenOffice? I love OpenOffice and use it as an MS Word / MS Excel
replacement. Works great, since it can read/write MS formats.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-07 Thread John Sidney-Woollett

Take a look at http://www.databaseanswers.com/modelling_tools.htm

I have used Case Studio 2 (fine, weak on documentation generation), and 
PowerDesigner by Sybase (truly excellent! but $$$)


John

[EMAIL PROTECTED] wrote:

Bjørn T Johansen wrote:


Have you tried Druid (http://druid.sourceforge.net/index.html) ?
It does anything a good ERD designer do and it's free...



Thanks Bjorn. I have downloaded it but not tested it yet. I will test
it in the next few days. DIA doesn't seem like a good choice.

Did somebody say Druid can do forward engineering for PostgreSQL?

I'm a little concerned about stepping over dollars to pick-up pennies
so to speak. If Druid does about as much as the commercial diagramming
products do, then I will use it. However, if there is a non-open source
diagrammer that is USD $200 or less that does a lot more, or does what
it does a lot better - e.g. it makes me a lot more efficient, then I
would rather pay for the commercial tool.

What inexpensive (~USD $200 or less) ERD tools are out there, and are
they a lot more feature-rich than Druid?

Thanks.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-06 Thread dananrg
tedia2sql for DIA seems pretty strange, in that it seems to require you
to use UML diagrams, rather than ER Diagrams, to forward engineer a
database - e.g. output DDL statements.

Am I misreading what tedia2sql does, or is does one have to use
repurpose UML diagrams to get DDL statements created?

I was a little disappointed with the ER Diagram functions of DIA. Looks
like you can only add a few properties at most given the way it is
structured - having circles radiating out from the Entity. There's only
so much screen space... then there's no way to specify a SQL ANSI data
type from what I recall.

Is there a commercial tool that's less than $200 which kicks the *ss of
any of these open source solutions? I'd rather use something free, but
not if it doesn't do what I want it to do easily.

I like the Open Office apps like Writer and Calc. Calc in particular
does everything Excel does - at least everything I've ever used Excel
for.

Seems like the open source data modeling tools aren't feature-rich
quite yet.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-06 Thread Kenneth Downs

[EMAIL PROTECTED] wrote:


Seems like the open source data modeling tools aren't feature-rich
quite yet.
 

Disclaimer: this is probably *not* what you want, but I will throw it 
out for completeness.


We have a non-graphical tool that builds databases out of text files 
that resemble CSS, such as:


table customers {
  column customer { primary_key: Y; }
...
}

Very likely we share the same purpose as you do, to capture data 
structure outside of DDL.   But going further, we designed with nothing 
less in mind than to capture the entire system requirements in the 
database spec, including derived columns and other automations, and 
including security as well.  A generator builds the DDL.


Going one better, the generator also works as a diff engine, so when you 
make changes it generates the DDL to change the structure and also the 
trigger code to enforce the rules.


The twist is that we found when the file format was complete and the 
features were in we really didn't need the GUI.  We may put one in 
someday, but jedit is our GUI now :)


So if you are at all willing to consider non-GUI tools that aim for the 
same purpose, you may wish to check it out:


http://docs.secdat.com
begin:vcard
fn:Kenneth  Downs
n:Downs;Kenneth 
email;internet:[EMAIL PROTECTED]
tel;work:631-689-7200
tel;fax:631-689-0527
tel;cell:631-379-0010
x-mozilla-html:FALSE
version:2.1
end:vcard


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-06 Thread Bjørn T Johansen
Have you tried Druid (http://druid.sourceforge.net/index.html) ?

It does anything a good ERD designer do and it's free...


BTJ

On 5 Jun 2006 16:54:56 -0700
[EMAIL PROTECTED] wrote:

 tedia2sql for DIA seems pretty strange, in that it seems to require you
 to use UML diagrams, rather than ER Diagrams, to forward engineer a
 database - e.g. output DDL statements.
 
 Am I misreading what tedia2sql does, or is does one have to use
 repurpose UML diagrams to get DDL statements created?
 
 I was a little disappointed with the ER Diagram functions of DIA. Looks
 like you can only add a few properties at most given the way it is
 structured - having circles radiating out from the Entity. There's only
 so much screen space... then there's no way to specify a SQL ANSI data
 type from what I recall.
 
 Is there a commercial tool that's less than $200 which kicks the *ss of
 any of these open source solutions? I'd rather use something free, but
 not if it doesn't do what I want it to do easily.
 
 I like the Open Office apps like Writer and Calc. Calc in particular
 does everything Excel does - at least everything I've ever used Excel
 for.
 
 Seems like the open source data modeling tools aren't feature-rich
 quite yet.
 
 Dana
 
 
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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-03 Thread Tomi NA

On 6/2/06, Rich Shepard [EMAIL PROTECTED] wrote:

On Fri, 2 Jun 2006, Michael Dean wrote:

 a caveat: I don't believe, from my reading of the license, that this is an
 open source software product.

   May not be. I don't recall. Neither is Java. But, if you're using it for
your own purposes, what's the issue?


There are so many, so profound and - for the biggest part - not at all
well understood issues about using open source software vs. the
alternative that it's very hard to reply to your question with a
straight face.

t.n.a.

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-03 Thread Carlos Correia
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

[EMAIL PROTECTED] wrote:
 Anyone know if DIA will generate CREATE TABLE statements from an ER
 diagram?
 
 I'd like to have a program where I can create my db design, then be
 able to instantiate the design in PostgreSQL as well as MySQL.
 
 I'll pay for a good commercial tool if it costs less than USD $100.
 
 Thanks.
 
 
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You can try Gaudí
(http://www.memoriapersistente.pt/en/opensource/gaudi/index.html). The
version that is on the net is a bit outdated but fully funcional.

It does generate SQL files with the proper statements for creating the
tables. Plus: it also creates the tables as well as foreign keys and
generates Java classes for database binding.

Soon (in a couple of days) we'll publish a new release ;-)

Regards,

Carlos Correia
- --
MEMÓRIA PERSISTENTE, Lda.
Tel.: 219 291 591 - GSM:  967 511 762
e-mail: [EMAIL PROTECTED] - URL: http://www.m16e.com
Jabber: [EMAIL PROTECTED] - MSN: [EMAIL PROTECTED] - ICQ: 257488263
GnuPG: wwwkeys.eu.pgp.net
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Version: GnuPG v1.4.3 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFEgWyh90uzwjA1SJURAlZtAJ4yrqoJEw7lJgJXf7mayGxxvRLvKACfVKFg
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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread dananrg
Thanks for all the great suggestions.

Dana


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread dananrg
Anyone here used both DIA and schema export extensions for it as well
as the Eclipse ERD plug-in for creating and exporting schemas - I mean
outputting DDL statements in PostgreSQL? Or Druid?

Which do you like best and why?

Thanks.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread Dany De Bontridder
On Thursday 01 June 2006 15:39, Sean Davis wrote:
 You might look into Eclipse (the java-based IDE).  It has at least one ERD
 design plugin that allows graphical layout, editing of schema, and
 generation of DDL directly from the schema.  It works with many DB
 platforms and is FREE!!!
Would you mind give me the plugin name (or url) ?

TIA,

D.

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread Rich Shepard

On Fri, 2 Jun 2006, Dany De Bontridder wrote:


On Thursday 01 June 2006 15:39, Sean Davis wrote:



Would you mind give me the plugin name (or url) ?


Dany,

  It was mentioned yesterday; the name is 'clay' and if you aim your browser
at http://www.azzurri.jp/en/software/clay/ you can read all about it.

  I found it easy to learn and use and quite effective. Of course, since then
I've stopped using eclipse. I'm back to emacs.

Rich

--
Richard B. Shepard, Ph.D. |  The Environmental Permitting
Applied Ecosystem Services, Inc.(TM)  |  Accelerator
http://www.appl-ecosys.com Voice: 503-667-4517  Fax: 503-667-8863

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread Michael Dean

Rich Shepard wrote:


On Fri, 2 Jun 2006, Dany De Bontridder wrote:


On Thursday 01 June 2006 15:39, Sean Davis wrote:




Would you mind give me the plugin name (or url) ?



Dany,

  It was mentioned yesterday; the name is 'clay' and if you aim your 
browser

at http://www.azzurri.jp/en/software/clay/ you can read all about it.

  I found it easy to learn and use and quite effective. Of course, 
since then

I've stopped using eclipse. I'm back to emacs.

Rich

a caveat: I don't believe, from my reading of the license, that this is 
an open source software product.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-02 Thread Rich Shepard

On Fri, 2 Jun 2006, Michael Dean wrote:


a caveat: I don't believe, from my reading of the license, that this is an
open source software product.


  May not be. I don't recall. Neither is Java. But, if you're using it for
your own purposes, what's the issue?

Rich

--
Richard B. Shepard, Ph.D. |  The Environmental Permitting
Applied Ecosystem Services, Inc.(TM)  |  Accelerator
http://www.appl-ecosys.com Voice: 503-667-4517  Fax: 503-667-8863

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread dananrg
Thanks Thomas. That's too bad about DB Designer. I didn't realize it
had been abandoned.

What do y'all think of DIA?


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread dananrg
Anyone know if DIA will generate CREATE TABLE statements from an ER
diagram?

I'd like to have a program where I can create my db design, then be
able to instantiate the design in PostgreSQL as well as MySQL.

I'll pay for a good commercial tool if it costs less than USD $100.

Thanks.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread Sean Davis
You might look into Eclipse (the java-based IDE).  It has at least one ERD
design plugin that allows graphical layout, editing of schema, and
generation of DDL directly from the schema.  It works with many DB platforms
and is FREE!!!

Sean


On 6/1/06 5:44 AM, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:

 Anyone know if DIA will generate CREATE TABLE statements from an ER
 diagram?
 
 I'd like to have a program where I can create my db design, then be
 able to instantiate the design in PostgreSQL as well as MySQL.
 
 I'll pay for a good commercial tool if it costs less than USD $100.
 
 Thanks.
 


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread Rich Shepard

On Thu, 1 Jun 2006, Sean Davis wrote:


You might look into Eclipse (the java-based IDE).  It has at least one ERD
design plugin that allows graphical layout, editing of schema, and
generation of DDL directly from the schema. It works with many DB platforms
and is FREE!!!


  Allow me to second that suggestion. I used one (whose name I don't recall)
from Azzurri in Japan. It was an easy installation into eclipse, allowed me
to design the schema and relations, then generated the postgres statements. I
used it on one project; haven't had the need since then (and that was 2.5
years ago).

Rich

--
Richard B. Shepard, Ph.D. |  The Environmental Permitting
Applied Ecosystem Services, Inc.(TM)  |  Accelerator
http://www.appl-ecosys.com Voice: 503-667-4517  Fax: 503-667-8863

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread Erik Jones
Dia itself is just a diagramming tool.  However, there are a number of 
apps at http://www.gnome.org/projects/dia/links.html that will take Dia 
diagram files and generate db schemas for you...


[EMAIL PROTECTED] wrote:

Anyone know if DIA will generate CREATE TABLE statements from an ER
diagram?

I'd like to have a program where I can create my db design, then be
able to instantiate the design in PostgreSQL as well as MySQL.

I'll pay for a good commercial tool if it costs less than USD $100.

Thanks.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-06-01 Thread Sean Davis



On 6/1/06 12:29 PM, Tomi NA [EMAIL PROTECTED] wrote:

 On 6/1/06, Sean Davis [EMAIL PROTECTED] wrote:
 You might look into Eclipse (the java-based IDE).  It has at least one ERD
 design plugin that allows graphical layout, editing of schema, and
 generation of DDL directly from the schema.  It works with many DB platforms
 and is FREE!!!
 
 What's it called?

http://www.azzurri.jp/en/software/clay/


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-30 Thread Ian Harding

postgresql_autodoc and dia.

On 28 May 2006 05:19:04 -0700, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:

What open source tool do people here like for creating ER diagrams?


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-30 Thread dananrg
Thanks. What about DIA - http://www.gnome.org/projects/dia/

...or DB Designer - http://fabforce.net/dbdesigner4/ (this one claims
to be feature-equivalent, or in the sphere of, products like Oracle's
Designer, ERWin, and Rational Rose.


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-30 Thread Thomas Kellerer

[EMAIL PROTECTED] wrote on 29.05.2006 13:06:

Thanks. What about DIA - http://www.gnome.org/projects/dia/

...or DB Designer - http://fabforce.net/dbdesigner4/ (this one claims
to be feature-equivalent, or in the sphere of, products like Oracle's
Designer, ERWin, and Rational Rose.



This is not maintained any longer (unfortunately because I really like it). And 
the support for non-MySQL databases is nearly non-existing.


As the actual model is saved in XML I wrote an XSLT task to convert the 
DbDesigner to an Oracle SQL script (CREATE TABLE). It shouldn't be that hard 
to adjust it for Postgres. If anyone is interested I can post it (the Oracle 
version) here.


Regards
Thomas


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-29 Thread Tomi NA

I use the azzuri eclipse plugin. It's rudimentary, but get's the job
done for smaller (a couple of dozens of tables) models. It has a
commercial version which might be even better.

t.n.a.

On 28 May 2006 05:19:04 -0700, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:

What open source tool do people here like for creating ER diagrams?


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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-29 Thread Bjørn T Johansen
Druid works ok

http://druid.sourceforge.net/index.html


BTJ

On 28 May 2006 05:19:04 -0700
[EMAIL PROTECTED] wrote:

 What open source tool do people here like for creating ER diagrams?
 
 
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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-29 Thread Tomi NA

On 5/29/06, Bjørn T Johansen [EMAIL PROTECTED] wrote:

Druid works ok

http://druid.sourceforge.net/index.html


Are there a couple of screenshots available on the net, a flash demo perhaps?

t.n.a.

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Re: [GENERAL] Best open source tool for database design / ERDs?

2006-05-29 Thread Bjørn T Johansen
On Mon, 29 May 2006 14:43:19 +0200
Tomi NA [EMAIL PROTECTED] wrote:

 On 5/29/06, Bjørn T Johansen [EMAIL PROTECTED] wrote:
  Druid works ok
 
  http://druid.sourceforge.net/index.html
 
 Are there a couple of screenshots available on the net, a flash demo perhaps?
 
 t.n.a.

Don't know...


BTJ

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[GENERAL] Best open source tool for database design / ERDs?

2006-05-28 Thread dananrg
What open source tool do people here like for creating ER diagrams?


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