I'm sure this is going to create a firestorm of debate, but I'm tired of spending countless hours on Google. Before doing PHP, I was a Perl/Java programmer, and was used to doing database stuff with DBI in Perl more than anything else. I'm presently writing a PHP/MySQL app, which will be ported over to Oracle, so I'm looking to start using an abstraction layer (something I admittedly should've been doing the whole time). I've researched ADOdb and Pear::DB, and I can't make up my mind. Would some of you folks mind sharing your personal experiences?