You can inspect the usage of a database, including the total space used, rows read and written with the following command: 
turso db inspect <database-name>

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Flags

FlagDescription
--queriesShow database query statistics.
--verboseShow detailed information, including the location and instance type.

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Examples

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Top Queries

You can fetch the most executed, resource-intensive SQL statements that have been run against your database using the Turso CLI: 
turso db inspect <database-name> --queries