Head on MagmaCollection

[Hilaire Fernandes]

Chris Muller a écrit :

> If you have not explored MagmaCollections yet you should know they
> provide Magma the much of the benefits of relational databases
> without losing its ODBMS transparency at all.  Central to this
> philosophy is the fact that the where: syntax, for quickly creating
> subsets of massive collections is, in most cases, identical to

Is it correct to nest where: method? I guess it could be useful to speed 
up a query when your select criterias are deep in the tree.

Hilaire