Is shared database Antipattern?

Can a database be a microservice?

Yes, it's possible to integrate a database for microservices. You can create a single shared database with each service accessing data using local ACID transactions.

Should I use shared database?

A shared database is a more convenient means of exchanging data than file transfer as it allows for immediate updates and can be used to assert a common data schema. Remote procedure invocation makes it easier to isolate and share functionality though does not eliminate coupling between systems.

What is a shared database?

A Shared Database allows you to store your documents in your favorite relational (SQL) database rather than on the file system. This means that multiple users can concurrently use the same synchronized storage location without any problems.

Can microservices use same database?

Microservices with shared databases can't easily scale. Changes related to the database could impact multiple services. Besides, microservices won't be independent in terms of development and deployment as they connect to and operate on the same database.