It depends, No, in case you don't use cache feature, Dataflake will send the query to your database server, take the result and send directly to viewer. Yes, in case you use cache, Dataflake will store the query result in Dataflake based on the cache time. This will help us display the dashboard faster for viewer, and reduce the load for your database server.
Which permissions database role/user need (Readonly database)?
Dataflake sends the query directly to your database and no more than that, so the database user just needs the SELECT (Read) permission on tables used in the SQL. We always recommend giving enough permissions to your user to keep your database safer from cyber attacks
Is it easy to create a Chart?
It is easy to create a chart. After writing a query, add your chart from the left toolbar. Then config data and start visualizing your chart with highly customizable design
What is Dashboard Delivery?
Dashboard Delivery (a.k.a email delivery) allows you to send Dashboard via email like sending email as usual. You can add recipient, email, subject, discription and set time, date and occurency.
Take full control over your data visualization without constraints