What's the difference between creating a demonstration database and creating a database?

The demonstration database contains demonstration data, and the user can view data charts directly through tools such as the query panel.

Where to back up the data of the Time Series Database?

Currently you can back up the data to Baidu Object Storage BOS.

Can the data point quota of the Time Series Database be increased?

If you want to increase the data point quota of the Time Series Database, submit a ticket application.