How do I manage multiple databases in microservices?

Can a microservice have multiple databases?

It means that we can use different database technologies for different microservices. So one service may use an SQL database and another one a NoSQL database. That's feature allows using the most efficient database depending on the service requirements and functionality.

Do microservices need to have separate databases?

As you described it very well above, each microservice needs to own it's DATA, which could be held within a dedicated database, within a dedicated schema (within a database), or even a set of dedicated tables (within a schema within a database).

How database is manage in microservices?

The Database-per-Service Pattern In order to be a loose coupling of services, each microservice should have its own private database. So when designing database architecture for microservices, it will almost always requires the database-per-service pattern.

How do microservices share databases?

In the shared-database-per-service pattern, the same database is shared by several microservices. You need to carefully assess the application architecture before adopting this pattern, and make sure that you avoid hot tables (single tables that are shared among multiple microservices).