| Type | Examples |
|---|---|
| RDBMS | MySQL, PostgreSQL, Oracle Database, Microsoft SQL Server, MariaDB |
| Cloud-based, relational databases | Cloud SQL, Cloud Spanner, AlloyDB |
| NoSQL | Key-value pair: DynamoDB Columnar: Snowflake Document: MongoDB, DynamoDB, CosmosDB Graph: ArangoDB Time series: InfluxDB, KairosDB, Prometheus, ClickHouse |
| Cloud-based, NoSQL databases | Cloud Firestore |
| In-Memory Databases | Redis, SAP HANA, Oracle TimesTen |