21CTO

Jul 30, 2024 · Databases

What Goes Around: 20‑Year Evolution of Database Systems and Future Trends

This article reviews two decades of database research, analyzing the rise and decline of various data models—from hierarchical and relational to NoSQL, vector, and graph databases—while highlighting how AI, cloud, and hardware advances are reshaping DBMS architecture and predicting which approaches will dominate tomorrow’s data landscape.