In traditional applications, we have always relied on relational databases to persist user data. Relational databases are not new to us. They emerged in the seventies as the way to store persistent information in a structured way that would allow you to make queries and perform data maintenance.
In today's world of microservices, modern applications need to be scaled at the hyperscale stage. We are not recommending here that you abandon the usage of relational databases in any sense. They still have their valid use cases. However, when we mix read and write operations in a single database, complications arise when we need to have increased scalability. Relational databases enforce relationships and ensure consistency ...
