Caché stores data in multidimensional arrays for storing hierarchically structured data.
Shared-Everything
Disk-oriented
SQL
Array / Matrix
Physiological Logging
http://www.intersystems.com/cache/index.html
https://docs.intersystems.com/cacheensemblelatest.html
InterSystems
US
1997
Commercial
C#, C++, Java, Perl, Python
Proprietary
https://en.wikipedia.org/wiki/InterSystems_Cach%C3%A9