SAP has been working to reorient its entire product catalog around HANA, both by porting existing applications to it and creating an array of associated platform services and development tools.
Oracle has sold the TimesTen in-memory database for some time, but is expected to release a new in-memory option for its flagship database sometime this year. The upgrade will deliver an "ungodly" boost in speed, according to Oracle CEO Larry Ellison .
IBM and Microsoft have also been working on in-memory database technologies.
VoltDB is just one of many smaller vendors hoping to steal business away from those bigger players. Others include Aerospike, MemSQL and Kognitio.
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