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Viewing Oracle Data in RAD Studio Data Explorer

How to view Oracle data in RAD Studio Data Explorer using the CData FireDAC Components for Oracle.

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

Connecting to Oracle Data Using Data Explorer

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

  1. Open the Data Explorer in RAD Studio and expand FireDAC.
  2. Right-click on CData Oracle Data Source and click Add New Connection.

  3. Name the connection.
  4. Fill in the necessary connection parameters and click OK.

    To connect to Oracle, you'll first need to update your PATH variable and ensure it contains a folder location that includes the native DLLs. The native DLLs can be found in the lib folder inside the installation directory. Once you've done this, set the following to connect:

    • Port: The port used to connect to the server hosting the Oracle database.
    • User: The user Id provided for authentication with the Oracle database.
    • Password: The password provided for authentication with the Oracle database.
    • Service Name: The service name of the Oracle database.

  5. Back in the Data Explorer, expand the tables for the connection.
  6. Create a new VCL Forms application and drag a table (for example: Customers) onto the form.

  7. Select the CustomersTable object on the form and set the Active property to true.
  8. Right-click on the object, bind visually, and link everything (*) to a new control (TStringGrid).

  9. Arrange the TStringGrid on the form and run the application to see the Customers data.