A practical comparison of Datomic and PostgreSQL through building a library management system. This repository accompanies a 5-part blog series that explores how these databases handle similar challenges in different ways.
This is a learning project that implements the same library system in both Datomic and PostgreSQL. Through building real features like book borrowing, user management, and historical tracking, we explore and compare:
- Data modeling approaches
- Temporal data handling
- Advanced querying patterns
- Recursive relationships
- Production considerations
- Datomic vs PostgreSQL: Data Modeling Fundamentals (Part 1) - How each database approaches schema design and basic operations
- Datomic vs PostgreSQL: Time Travel and Historical Data (Part 2) - Exploring Datomic's built-in temporal features vs PostgreSQL solutions
- Datomic vs PostgreSQL: Deep Dive into Querying and Rules (Part 3) - Advanced query patterns and rule systems
- Datomic vs PostgreSQL: Recursive and Graph Queries (Part 4) - Handling complex relationships and hierarchies
- Datomic vs PostgreSQL: Production Architecture and Performance (Part 5) - Real-world deployment and optimization
- Clojure 1.11+
- PostgreSQL 14+
- Datomic 1.0.6+