15 Types of Databases Explained: Choosing the Right One for Your Needs

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Table of Contents

· 1. Relational Databases (RDBMS)
· 2. Key-Value Store
· 3. Document Databases
· 4. Graph Databases
· 5. Wide-Column Databases
· 6. In-Memory Databases
· 7. Time-Series Databases
· 8. Object-Oriented Databases
· 9. Text Search Databases
· 10. Spatial Databases
· 11. Blob Datastore
· 12. Ledger Databases
· 13. Hierarchical Databases
· 14. Vector Databases
· 15. Embedded Databases

1. Relational Databases (RDBMS)

Relational databases organize data into structured tables consisting of rows and columns, with each row uniquely identified by a key. These tables can be interconnected through foreign keys, allowing relationships between different datasets.

This structured format enables relational databases to efficiently manage large volumes of structured data…