3 ms·
It's fast compared to other DBs because most datasets are in RAM
It's fast compared to other DBs because most datasets are in RAM
Exactly. I'd say it closest comparable is CEP.
kdb+ also supports Petabyte distributed databases. i.e. much larger than RAM.
E.g. http://kparc.com/q4/readme.txt http://kparc.com/q4/readme.txt (Trillion Row Benchmarks)