HadoopDB: An Open Source Parallel Database

HadoopDB: An Open Source Parallel Database - O'Reilly Radar: "The growing need to manage and make sense of Big Data, has led to a surge in demand for analytic databases, which many companies are attempting to fill (Teradata, Netezza, Vertica, DATAllegro, Greenplum†, Aster Data, Infobright, Kognitio, Kickfire, Dataupia, ParAccel, Exasol, ...). As an alternative to current shared-nothing analytic databases, HadoopDB is a hybrid that combines parallel databases with scalable and fault-tolerant Hadoop/MapReduce systems."