This chapter references the client tools provided with this release. They all require certain connection information such as the Greenplum Database master host name, port, database name, and role name. These can be configured using environment variables. See Configuring the Command-Line Tools.

The following tools are provided:

• gpmapreduce (submits Greenplum MapReduce specifications for execution).
• psql (PostgreSQL interactive terminal)

See also the SQL Syntax Summary for a quick reference to available SQL commands.