Manuel Lemos wrote:
>
> Precedence: bulk
>
> Hello Frank,
>
> It has been a while since you sent this message... :-)
>
> On 10-May-00 09:25:18, you wrote:
> [snip]
>
> >Wheter the underlying database supports it is irrelevant. If it is the
> >logical schema for the designer, than it is up to the implementation
> >driver to emulate the join criteria (sub-select, recursive) whatever.
> >The point is that it is a naturally occuring relationship.
>
> I see, but please understand that is beyond the scope of Metabase. An
> higher level tool could let developers model their database in the way that
> you suggest and then could output schema description files that Metabase
> could parse and install. I'm afraid that stuffing all that in Metabase
> would make it more bloated than most people need.
>
> If you want to start working on such higher level tool, just let me know
> if you need any help.
With most modeling tools (including ArgoUML) generating XMI as the
interchange it may be more useful for Metabase to be able to parse that,
or maybe XML Schema.
Am I correct in assuming that the tool(s) for Metabase allow me to create schemas for any kind of access, or is it limited to SQL mappings? -- Frank V....
Frank V. Castellucci
frankc@...
Apr 29, 2000 3:37 pm
Hello Frank, ... Metabase relies on SQL to create the schemas, yes, but for instance through Metabase ODBC driver you can use SQL to reach other types...
Manuel Lemos
mlemos@...
Apr 30, 2000 12:21 am
... It was more of a curiosity. I myself had designed and implemented a system by which we abstracted the schema to a meta-model which was reasoned with at run...
Frank V. Castellucci
frankc@...
Apr 30, 2000 2:00 am
Hello Frank, ... Well, I have been planning to move driver functions for database administration like those for defining how each datatype should be declared,...
Manuel Lemos
mlemos@...
Apr 30, 2000 8:43 pm
... Whoa, don't do anything on my part. I am curious from a totally conversational perspective. To the point to say that if you have something you want to hash...
Frank V. Castellucci
frankc@...
May 1, 2000 3:03 am
Hello Frank, ... No, what I meantioned are just things that were planned because at least I need them to evolve in that direction. For instance, I have planned...
Manuel Lemos
mlemos@...
May 2, 2000 3:19 am
... Ok, starting with a few tenets: * Every meta-schema object has a unique identifier that is global worldwide. * Meta-schema objects describe tables,...
Frank V. Castellucci
frankc@...
May 2, 2000 1:03 pm
Due to the fact that my php is not compiled with xml, I cannot perform the whole test set. So here is the state of the informix driver. The majors things are...
Pierre-henri Delaval
pierre-henri@...
May 2, 2000 1:10 pm
Hello Pierre-henri, ... Humm... I guess I'll change the test script to define the tables using PHP instead of going through the parser as some people yourself...
Manuel Lemos
mlemos@...
May 9, 2000 12:36 am
Hello Frank, ... In the current schema definition, each object has a unique name within its scope, ie, each table has a unique name among schema tables, each...
Manuel Lemos
mlemos@...
May 9, 2000 12:36 am
... The names of tables, columns, etc are implementation issues, I am talking about the meta-schema model elements. There are many type ontologies in this...
Frank V. Castellucci
frankc@...
May 10, 2000 12:11 pm
Precedence: bulk Hello Frank, It has been a while since you sent this message... :-) ... I see, but the way I see it, there should be an higher level database ...
Manuel Lemos
mlemos@...
Jul 1, 2000 3:29 am
... With most modeling tools (including ArgoUML) generating XMI as the interchange it may be more useful for Metabase to be able to parse that, or maybe XML...
Frank V. Castellucci
frankc@...
Jul 1, 2000 10:55 am
Hello Frank, ... I've been noting down a few other projects announce in Freshmeat that attempt to achieve similar goals. Take a look before you start...
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