Costs incurred by systems table usage

[alsetr]

Doc about system tables says 

"The billable usage and pricing tables are free to use. Tables in Public Preview are also free to use during the preview but could incur a charge in the future."

https://learn.microsoft.com/en-us/azure/databricks/admin/system-tables/

Form this sentence I can understand that two tables - billable usage and pricing are free to use, but what about other tables?

I could not find any information what costs incurred from usage of other system tables.

[SP_6721]

Hi @alsetr ,

The billable usage and pricing system tables are the clearly marked as free to use.
Tables in Public Preview are also free for now.

For the rest, there’s no mention of a direct cost, but you’ll still be billed for the compute (DBUs) used when querying them.