Hi @thibautdm9830,

Currently, Digitalocean does not have any limitations for table size placed on the Managed Databases platform. When you have more records it is highly recommended to ensure your node size can accommodate the number of resources needed to process a larger database.

Adding to this, maxheaptablesize and tmptable_size are currently not configurable but these are something that could be implemented as user-configurable options.

https://dev.mysql.com/doc/refman/8.0/en/server-system-variables.html#sysvar_max_heap_table_size

You can read more about the product and limitations here:
https://www.digitalocean.com/docs/databases/mysql/

Pricing:
https://www.digitalocean.com/pricing#managed-databases

I hope this helps!

Regards,
Rajkishore J