VoltDB « Mass High Tech Blog
A FOSS in memory RDBMs aimed at fast OLTP and Oracle times ten I guess
Now there is an alternative that ppl and write apps around easily bcos its open!
In telco space (class 4 or 5 switching (Cisco BTS, Open Call agent, broadsoft.... and call routing) really quick DBs for routing are very important, in fact many have files in ram b'cos all RDBMS's were too slow
The SQL is like a 'RISC' SQL