Async notifications

[luben karavelov]

Hello

I am new to the list. So to present myself. I am mostly SQL/perl/C 
developer, Working with DBI since 2001 mostly with Postgresql.

I have written a small framework to handle postgresql async 
notifications that is in production here for 2 years. I intend to post 
it a CPAN and make it public. So I have some questions.

Is DBI::Listen the right namespace? The module is called DBI::Listen::pg.

Do some other databases have concept of async notifications?

Thanks in advance
Luben