Roman Rokytskyy wrote:

> FB extension. Events are patented technology, patent is owned by Borland
> (which acquired it with acquisition of Aston Tate, which bought InterBase
> Corp. 5 years before) and as far as I know, no other database has licensed
> it so far. FB inherited patent rights together with the source code.

Software patents suck. I doubt those prevent Sun from adding a few
interfaces in the JDBC API. But the lack of databases supporting it
might be a strong reason.