Hi Jesus,
nothing in MySQL on constraint DBs. The only thing that might come close
is the GIS part
(http://dev.mysql.com/doc/refman/5.1/en/gis-introduction.html).
Constriant DBs are very experimental, since they require a complete
different optimizer and query language then relational DBMSes. I don't
know of any commercial or OS DBMS that supports it. You might be more
successful looking at the university projects that work with constraint
DBs.
Cheers,
Peter
Am 27.08.2010 05:44, schrieb jesus ambriz:
> Hi everybody!
>
> Do you know if MySQL are using some functionality of
> constraint databases? It's about spatial and temporal
> objects [1]. Or if anybody is doing something like that?.
> I like to contribute in that way.
>
> [1] Peter Revesz, Shasha Wu. Constraint Databases
> http://cse.unl.edu/~revesz/cdb/index.htm
>
> Thanks for your time.
> Best Regards
>
> Jesus Ambriz Meza
> Autonomous University of Guadalajara
> Mexico
>
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