Hi, why do you want to use NO SQL database for prestashop ?
Indeed prestashop is built to work with a SQL database, and I'm not even sure it can work with PostgreSQL (at least not at 1st attempt, it would need customisation) but that's quite usual.
Edit History
Hi, why do you want to use NO SQL database for prestashop ?
Indeed prestashop is built to work with a SQL database, and I'm not even sure it can work with PostgreSQL (at least not at 1st attempt, it would need customisation) but that's quite usual. I think it's quite the same with a lot of CMS 
Wordpress, Magento ...