This doesn't really address anything I mentioned.
The database is fine; and it was nice to work with when it was just 2 engineers. For us, it didn't scale with # of engineers, business needs like BI, ETLs of large amount of healthcare data into Datomic; then needing to delete said data. We spent a lot of time reinventing the wheel around schema management and building a declarative query interface as well.
> few queries > take weeks
Godspeed.