Users can connect to Greenplum Database using various client applications:

• A number of Greenplum Database Client Applications are provided with your Greenplum installation. The psql client application provides an interactive command-line interface to Greenplum Database.
• pgAdmin III for Greenplum Database is an enhanced version of the popular management tool pgAdmin III. Since version 1.10.0, the pgAdmin III client available from PostgreSQL Tools includes support for Greenplum-specific features. Installation packages are available for download from the pgAdmin download site .
• Using standard Database Application Interfaces, such as ODBC and JDBC, users can create their own client applications that interface to Greenplum Database. Because Greenplum Database is based on PostgreSQL, it uses the standard PostgreSQL database drivers.
• Most Third-Party Client Tools that use standard database interfaces, such as ODBC and JDBC, can be configured to connect to Greenplum Database.