Data Engine to live connection—and back
The Data Engine is designed to directly integrate with Tableau’s existing “live connection” technology, allowing users to toggle with a single click between a direct connection to the corporate database (issuing highly tuned platform-specific SQL queries) to querying an extract of that data loaded into the Data Engine (and back) with careful matching of calculation and collation semantics. This integration allows companies to do analysis on samples of data (GBs) then redirect that to a massively parallel warehouse such as Teradata to run the final analysis (or reports) on Petabytes of data.