## PostgreSQL, HAWQ and Greenplum Interpreter for Apache Zeppelin

This interpreter supports the following SQL engines:
* [PostgreSQL](http://www.postgresql.org/) - OSS, Object-relational database management system (ORDBMS) 
* [Apache HAWQ](http://pivotal.io/big-data/pivotal-hawq) - Powerful [Open Source](https://wiki.apache.org/incubator/HAWQProposal) SQL-On-Hadoop engine. 
* [Greenplum](http://pivotal.io/big-data/pivotal-greenplum-database) - MPP database built on open source PostgreSQL.

The official documentation: [PostgreSQL, HAWQ](https://zeppelin.apache.org/docs/interpreter/postgresql.html)