# Strong Consistency

After a write, reads will see it. Data is replicated synchronously. This approach is seen in file systems and RDBMSes. Strong consistency works well in systems that need transactions.

To learn more, visit the following links:

- [Strong Consistency Patterns](https://github.com/donnemartin/system-design-primer)
- [Get started with Strong Consistency](https://www.geeksforgeeks.org/eventual-vs-strong-consistency-in-distributed-databases/)