Impala changes the equation for Hadoop, giving users answers to their queries in seconds rather than hours, says Cloudera CEO Mike Olson in the Cube at the Strata/HadoopWorld 2012 conference. His ...

As I discussed in an earlier column, SQL Server keeps a plan cached for each query it sees (assuming the query requires planning in the first place, of course). That's great for speeding up processing ...

Hive's SQL-like query language and vastly improved speed on huge data sets make it the perfect partner for an enterprise data warehouse Apache Hive is a tool built on top of Hadoop for analyzing large ...