Database Application Interfaces

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Database Application Interfaces

You may want to develop your own client applications that interface to Greenplum Database. PostgreSQL provides a number of database drivers for the most commonly used database application programming interfaces (APIs), which can also be used with Greenplum Database. These drivers are available as a separate download. Each driver (except libpq, which comes with PostgreSQL) is an independent PostgreSQL development project and must be downloaded, installed and configured to connect to Greenplum Database. The following drivers are available:

Table 1. Greenplum Database Interfaces
API PostgreSQL Driver Download Link
ODBC Greenplum DataDirect ODBC Driver
JDBC Greenplum DataDirect JDBC Driver
Perl DBI pgperl
Python DBI pygresql
libpq C Library libpq

General instructions for accessing a Greenplum Database with an API are:

  1. Download your programming language platform and respective API from the appropriate source. For example, you can get the Java Development Kit (JDK) and JDBC API from Oracle.
  2. Write your client application according to the API specifications. When programming your application, be aware of the SQL support in Greenplum Database so you do not include any unsupported SQL syntax.

    See the Greenplum Database Reference Guide for more information.

Download the appropriate driver and configure connectivity to your Greenplum Database master instance.