Intro Recently I had to move an existing project from using PEAR::DB to PEAR::MDB2 - the new database abstraction layer. I took notes on the parts of the code I needed to change, I hope they can benefit someone who's doing the same. Many thanks go to Lukas Smith, the lead developer, he was always responding very fast to my reports and questions in the PEAR mailing list. One thing to notice in MDB2