Relational Databases (RDBMS)
- Oracle Database – Leading relational database management system.
- Microsoft SQL Server – Relational database system by Microsoft.
- MySQL – Open-source relational database management system.
- PostgreSQL – Open-source, object-relational database system.
- IBM Db2 – Relational database management system from IBM.
- SQLite – Lightweight, serverless relational database.
- Amazon Aurora – Cloud-native relational database compatible with MySQL and PostgreSQL.
- SAP HANA – In-memory relational database management system.
NoSQL Databases
- MongoDB – Open-source, document-based NoSQL database.
- Couchbase – Multi-model NoSQL database with document and key-value data models.
- Amazon DynamoDB – Fully managed NoSQL database for high-performance applications.
- Azure Cosmos DB – Globally distributed NoSQL database from Microsoft.
- HBase – Open-source, distributed NoSQL database modeled after Google Bigtable.
NewSQL Databases
- Google Spanner – Globally distributed NewSQL database for high scalability.
- CockroachDB – Distributed SQL database designed for cloud-native applications.
- TiDB – Open-source distributed NewSQL database.
Cloud-Native & Managed Databases
- Amazon RDS – Managed relational database service by AWS.
- Google Cloud Bigtable – Managed NoSQL database for large analytical and operational workloads.
- Azure SQL Database – Fully managed relational database on Microsoft Azure.
- Amazon Redshift – Fully managed data warehouse service from AWS.
- Google BigQuery – Serverless, highly scalable data warehouse from Google Cloud.
- IBM Cloud Databases – Managed database services on IBM Cloud.
- Oracle Autonomous Database – Fully autonomous relational database.
- MongoDB Atlas – Managed database as a service for MongoDB.
- Alibaba Cloud ApsaraDB – Managed relational and NoSQL databases from Alibaba Cloud.
In-Memory Databases
- Redis – In-memory key-value data store.
- VoltDB – In-memory, relational database designed for high-speed applications.
- Hazelcast – In-memory computing platform with caching and data grid functionality.
- GridGain – In-memory computing platform for big data applications.
- Tibco ActiveSpaces – Distributed, in-memory data grid.
- SAP HANA – In-memory relational database for real-time analytics.
Data Warehouse Databases
- Amazon Redshift – Fully managed petabyte-scale data warehouse service.
- Google BigQuery – Serverless, highly scalable data warehouse.
- Snowflake – Cloud data platform with scalable data warehousing capabilities.
- IBM Db2 Warehouse – Fully managed, cloud-native data warehouse.
- Azure Synapse Analytics – Analytics platform integrating big data and data warehousing.
- SAP BW/4HANA – Real-time data warehousing powered by SAP HANA.
