The cadre of volunteer developers behind the Cassandra distributed database have released the latest version of their open source software, able to hold up to 2 billion columns per row. An open source ...

DB2 V10.1 introduced Row and Column Access Control (RCAC) as a new feature for securing data within a DB2 table. Here's a look at the performance of the permissions that control row access. (In ...

MemSQL, a distributor of in-memory database technology for real-time analytics, has introduced MemSQL v3.0. which combines an in-memory row store with a new highly compressed column store. The ...