Tableau extracts are great for high-speed interactive analytics. HOWEVER. Growth in data volumes results in slow dashboard response times. Plus, fresh data can’t be analyzed immediately since just generating extracts can take hours...
To work around this, many Tableau users either analyze less data than they want or compromise on analyzing aggregated data.
Firebolt's CPO Boaz Farkash explains and demonstrates how to ingest granular data into the data warehouse and Tableau using a live connection.