Outside Database Connected to Cardano for More Info Related to Post

Are there suggestions from companies that are already using another database to store additional information related to a Cardano Chain Post / Smart Contract / etc.

In other words often times the information is more detailed and you need a 2nd database. There are many choices but maybe others have done this and sample code / projects can be shared.

Grid Databases, Non SQL, SQL, and other choices would probably work but I’m sure one is better suited than the other.

Thanks All

Mike Tallent
abigdreamer - twitter.