U1: (Volume) Data Warehousing – how to ask analytical queries over huge datasets that are generated via integration from traditional databases as sources. U2: (Velocity) Streaming Data – what are the ...

A data lake is not a direct replacement for a data warehouse; they are supplemental technologies that serve different use cases with some overlap. Most organizations that have a data lake will also ...

I believed in the power of data visualization to turn esoteric numbers and vague polls and probabilities into easily digestible information.