Umbra is an a relational DBMS design to support in-memory analytics for flash-based storage.
Umbra is the new system built at TUM after the HyPer project.
Hash Join Worst-Case Optimal Join
Disk-oriented
Relational
Code Generation
https://umbra-db.com/
Technische Universität München
DE
2018
Academic
C++
PostgreSQL
Linux
Proprietary