Storing, managing and above all being able to quickly query your data often become quite a task.
With increasing volumes come increasingly complex data models (even unstructured data needs modeling) and analytics.
Relational databases have been the corner stone of every information architecture for decades. Where they excel in CRUD operations (Create, Read, Update, Delete, the processing of individual records), their architecture (focused on processing individual records) isn't very well suited for analytical workloads, where the focus is on processing large quantities of data.
Vertica is a lightning fast (10 to 50 times faster than legacy systems) distributed analytical database, designed from the start for analytics:
Vertica is used in analytics projects of all sizes, at mid-sized organizations to the largest and most data-intense companies on the planet (Facebook, Uber, AirBnB, ...)