If you prefer a graphic interface, use pgAdmin III for Greenplum Database. This GUI client supports PostgreSQL databases with all standard pgAdmin III features, while adding support for Greenplum-specific features.

pgAdmin III for Greenplum Database supports the following Greenplum-specific features:

• External tables
• Append-optimized tables, including compressed append-optimized tables
• Table partitioning
• Resource queues
• Graphical EXPLAIN ANALYZE
• Greenplum server configuration parameters