Digital transformations often require real-time business processes driven by data from operational, historical and streaming sources. I’ve noticed that data and analytics leaders often use the terms “data warehouses,” “data lakes” and “data hubs” interchangeably, which can confuse nonspecialists seeking to understand their differences and the roles they play in digitally transformed businesses. Vendors often contribute to this confusion by positioning them as competing approaches, which can lead to deploying the wrong technology for an…