Ah cool, thanks for checking it out and for that correction.

I didn't realized the hiveSQL database is free. That's so cool. Do you know who is funding it to be free?

It didn't used to be free, I paid 40 SBD/HBD a month for years, but:

https://peakd.com/me/proposals - see about 7 down.

Also, do know if I can query Splinterlands DEC transfers with this database?

This might be in TxCustoms, but I think it is on the sidechain. I don't deal with that one but perhaps @dalz or @gerber could be so kind to post a guide or a comment here :)