Open Source Insider Latest Blog Posts Related Content Data lake storage: Cloud vs on-premise data lakes CIO interview: Laura Dawson, CIO, London School of Economics Download Current Issue Let’s take a quick dip into Open Data Lakes Analytics. But before we do, we need to cross off some names and definitions. This story starts with Ahana, a self-styled ‘self-service’ analytics company for Presto. Presto, for those that need reminding, an in-memory distributed SQL engine that is faster than other compute engines in the disaggregated stack. It is federated and can query relational & NoSQL databases, data warehouses, data lakes and more besides.