Mention 20 database management systems that can be used to manage a hospital record

1. Microsoft SQL Server

2. Oracle Database
3. MySQL
4. PostgreSQL
5. IBM Db2
6. Microsoft Access
7. SQLite
8. MongoDB
9. Firebase Realtime Database
10. SAP HANA
11. Teradata
12. Amazon RDS (Relational Database Service)
13. Apache Cassandra
14. Couchbase
15. FileMaker Pro
16. InterSystems Caché
17. MariaDB
18. IBM Informix
19. Neo4j
20. Redis