A long time ago, in a galaxy far, far away, [EMAIL PROTECTED] (Dawn M. Wolthuis) wrote: > Good question. Although I would want to move away from relational > databases too, if there is an RDBMS and one wants to query it, what > would I aim for? If you look at XQuery, you will see an example of > what I would definitely NOT aim for. Although the user of such a > language might very well be a technical person, instead of starting > with mathematics (relational calculus, relational algebra) I would > suggest starting with language. The mathematics of language is more > complex than the mathematics of relations, particularly simple > relations (such as 1NF tables).
No, that _very much_ gets things backwards. You need to have a clearly defined model of how the data is to be manipulated before it makes any sense to try to make up a language. -- output = reverse("moc.enworbbc" "@" "enworbbc") http://cbbrowne.com/info/rdbms.html To iterate is human; to recurse, divine. ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match