PostgreSQL Reporting and Star Schemas in OBIEE



Create a star schema that shows perspectives on PostgreSQL facts in real time.

The CData ODBC Driver for PostgreSQL is a standard database driver that can integrate real-time access to PostgreSQL data into your data warehouse or directly into your reporting tool. This article shows how to bypass the data warehouse and import operational PostgreSQL data into Oracle Business Intelligence Enterprise Edition (OBIEE).

See the knowledge base for ODBC integrations with ETL tools like Informatica PowerCenter. For an ETL solution into Oracle Warehouse Builder, use the driver with the Oracle ODBC Gateway to Access PostgreSQL Data as a Remote Oracle Database.

Connect to PostgreSQL as an ODBC Data Source

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 PostgreSQL, 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 data provider connects to the user's default database.

When you configure the DSN, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

Import PostgreSQL Metadata

Follow the steps below to use the OBIEE Client Tools to import PostgreSQL metadata into an OBIEE repository. You can then integrate PostgreSQL data into your business models.

  1. Open the Administration Tool and click File -> New Repository.

  2. In the Connection Type menu, select ODBC 3.5 and select the CData DSN.
  3. Select the metadata types you want to import under the Relational Sources option and then select PostgreSQL tables.
You can now create star schemas based on PostgreSQL tables:

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PostgreSQL Icon PostgreSQL ODBC Driver

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

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