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The Greenplum ODBC Driver is a powerful tool that allows you to connect with Greenplum, directly from any applications that support ODBC connectivity.

Access Greenplum databases from virtually anywhere through a standard ODBC Driver interface.

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Viewing Greenplum Data in RAD Studio Data Explorer


How to view Greenplum data in RAD Studio Data Explorer using the CData ODBC Driver for Greenplum.

Embarcadero RAD Studio provides a development environment for Delphi and C++Builder applications. With the CData ODBC Driver for Greenplum, you gain access to live Greenplum data within RAD Studio, abstracting the data into tables, views, and stored procedures that can be used to both retrieve and update Greenplum data. This article will walk through connecting to Greenplum using the Data Explorer.

Configure a Connection to Greenplum

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

To connect to Greenplum, set the Server, Port (the default port is 5432), and Database connection properties and set the User and Password you wish to use to authenticate to the server. If the Database property is not specified, the default database for the authenticate user is used.

Connecting to Greenplum Data Using Data Explorer

You can create a simple application for displaying Greenplum data by utilizing the CData FireDAC Components for Greenplum and a new VCL Forms Application:

  1. Open the Data Explorer in RAD Studio and expand FireDAC.
  2. Right-click the ODBC Data Source node in the Data Explorer.
  3. Click Add New Connection.
  4. Enter a name for the connection.
  5. In the FireDAC Connection Editor that appears, set the DataSource property to the name of the ODBC DSN for Greenplum.
  6. Back in the Data Explorer, expand the tables for the connection.

  7. Create a new VCL Forms application and drag a table (for example: Orders) onto the form.

  8. Select the OrdersTable object on the form and set the Active property to true.

  9. Right-click on the object, bind visually, and link everything (*) to a new control (TStringGrid).

  10. Arrange the TStringGrid on the form and run the application to see the Orders data.