SAPI (Apache 2) question & connection pooling

Greetings. I am wondering about the status of the multithreaded PHP for the multithreaded Apache. In particular, I'd like to know a) if Apache 2 is a single-process server (as opposed to Apache 1.x which forks a new process for a new request) b) if PHP will work, or does work, with Apache 2 in this mode c) how database connection pooling will work with a single http/php multithreaded server process d) if maybe integrating php with a servlet engine as described in http://www.php.net/manual/en/ref.java.php allows you to use connection pooling via jdbc or something . . . ? I am asking because connection pooling as it works now with persistent connections is pretty awkward, and leads me to look with envy on the Aolserver/TCL crowd . . . (I like PHP and see no reason to switch to TCL except for the connection pooling issue). Regards, Frank