HBase, sometimes called “ the Hadoop database,” is a distributed, column-oriented key-value store along the lines of Cassandra.

Apache Phoenix is a relatively new open source Java project that provides a JDBC driver and SQL access to Hadoop’s NoSQL database: HBase. It was created as an internal project at Salesforce ...

The Apache Drill framework aims to provide just such a SQL engine. Drill can operate across multiple distributed data stores such as HDFS or Amazon S3, relational databases that support JDBC or ODBC, ...