From the operations perspective a NoSQL data store has many clear advantages – mostly because they can be much easier to administer. But what about the developer perspective? And what of the architect who has an existing highly relational SQL-backed system and wants to convert it to be NoSQL backed? In 2010 Enda joined Nokia's "Location" division to build what will be one of the largest databases of validated place information in the world – if its somewhere that you might want to go to, we aim to have it.

This presentation is a "how we did it" - change a production system from SQL to NoSQL while keeping everything running (and still releasing upgrades) and consistent. There are a few hints/tips and one or two lessons learnt the hard way …