Adding the capability to connect databases to Express apps is just a matter of loading an appropriate Node.js driver for the database in your app.
- Cassandra
- Couchbase
- CouchDB
- LevelDB
- MySQL
- MongoDB
- Neo4j
- Oracle
- PostgreSQL
- Redis
- SQL Server
- SQLite
- Elasticsearch
Source:
Express Database Integration. expressjs.com/en/guide/database-integration...