Step 1: Generate a read-only SQL user
Log into your Bytespree data warehouse and find the database you want to connect to Tableau. From the option selector, choose "Manage Integration Settings". Next, choose the "SQL Access" tab. Here, you'll be able to enable read-only SQL access.
Take note of the username, password, hostname, and port – and don't forget to click "Save".
Step 2: Set up a new connection in Tableau
In Tableau, under "Connect" -> "To a Server", choose "PostgreSQL"
Enter the credentials acquired during step 1