Google Datastudio, if you're fine with something in the cloud hooking up to your DB (and whitelisting the IP). Metabase or Apache Superset, as others have ment

Google Datastudio, if you're fine with something in the cloud hooking up to your DB (and whitelisting the IP). Metabase or Apache Superset, as others have mentioned, can be deployed on-prem so it's a bit more isolated/secure.