Microservices Database vs Monolithic Database

Pick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end meets developers should use monolithic databases for simpler applications with straightforward data requirements, where data consistency and acid transactions are critical, such as in financial systems or small-scale enterprise applications. Here's our take.

Microservices Database

Nice Pick

Pick database-per-service when services have genuinely independent lifecycles and your team can stomach eventual consistency — greenfield microservices, polyglot persistence needs, teams that own their schema end-to-end

Pros

• Skip it for a small team shipping a first product with tangled read patterns; a modular monolith with one shared database gets you 90 percent of the boundary discipline without the operational tax
• Related to: apache-kafka, postgresql

Cons

• Specific tradeoffs depend on your use case

Monolithic Database

Developers should use monolithic databases for simpler applications with straightforward data requirements, where data consistency and ACID transactions are critical, such as in financial systems or small-scale enterprise applications

Pros

• They are also suitable when development teams are small, as they reduce operational complexity compared to distributed systems
• Related to: relational-database, acid-transactions

Cons

• Specific tradeoffs depend on your use case

The Verdict

These tools serve different purposes. Microservices Database is a concept while Monolithic Database is a database. We picked Microservices Database based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Microservices Database wins

Based on overall popularity. Microservices Database is more widely used, but Monolithic Database excels in its own space.