Abstract
Clarity is the reporting database for Epic data. Clarity was created to extract data from the Epic production server and store it in a relational database and a dedicated reporting server. Clarity can reside on variance platforms such as Teradata or Oracle. Most tables in Clarity are updated nightly by a feed from Chronicles. There are also weekly and monthly updates for the more static tables. Queries and reports generated from Clarity can be are very comprehensive and provide complete information at the individual data point level.
Keywords: Virtual Data Warehouse, Data extraction, Data storage