Create Informatica Mappings From/To an ODBC Data Source for Azure Synapse

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Azure Synapse ODBC Driver

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

Access Azure Synapse data like you would a database - read, write, and update Azure Synapse. through a standard ODBC Driver interface.



Create an ODBC connection to Azure Synapse in Informatica and browse and transfer Azure Synapse data.

Informatica provides a powerful, elegant means of transporting and transforming your data. By utilizing the CData ODBC Driver for Azure Synapse, you are gaining access to a driver based on industry-proven standards that integrates seamlessly with Informatica's powerful data transportation and manipulation features. This tutorial shows how to transfer and browse Azure Synapse data in Informatica PowerCenter.

Connect to Azure Synapse as an ODBC Data Source

Information for connecting to Azure Synapse follows, along with different instructions for configuring a DSN in Windows and Linux environments.

Connecting to Azure Synapse

In addition to providing authentication (see below), set the following properties to connect to a Azure Synapse database:

  • Server: The server running Azure. You can find this by logging into the Azure portal and navigating to Azure Synapse Analytics -> Select your database -> Overview -> Server name.
  • Database: The name of the database, as seen in the Azure portal on the Azure Synapse Analytics page.

Authenticating to Azure Synapse

Connect to Azure Synapse using the following properties:

  • User: The username provided for authentication with Azure.
  • Password: The password associated with the authenticating user.

Windows

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.

Linux

If you are installing the CData ODBC Driver for Azure Synapse in a Linux environment, the driver installation predefines a system DSN. You can modify the DSN by editing the system data sources file (/etc/odbc.ini) and defining the required connection properties.

/etc/odbc.ini

[CData AzureSynapse Source] Driver = CData ODBC Driver for Azure Synapse Description = My Description User = myuser Password = mypassword Server = localhost Database = Northwind

For specific information on using these configuration files, please refer to the help documentation (installed and found online).

Create a Linked Table to Products Data

Follow the steps below to create a linked table, which enables you to access live Products data.

Create the ODBC Connection

Follow the steps below to connect to Azure Synapse in Informatica PowerCenter:

  1. In the Informatica Developer tool connect to your repository and create a project.
  2. In the Connection Explorer pane, right-click and click Create a Connection.
  3. In the New Database Connection wizard that is displayed, enter a name and Id for the connection and in the Type menu select ODBC.
  4. In the Connection String property, enter the DSN.

NOTE: If you are working in a Linux operating system, set the Driver Manager for Linux property to unixODBC 2.3.x.

Create the Azure Synapse Data Object

After you have created an ODBC connection to Azure Synapse, you can now access Azure Synapse entities in Informatica. Follow the steps below to add Products entities to your project.

  1. In the Object Explorer, right-click your project and then click New -> Data Object.
  2. In the wizard that is displayed, select the Relational Data Object option.
  3. Click the Browse button next to the Connection box and select the ODBC connection you created in the previous step.
  4. Select the option to create a data object from an existing resource and click the Browse button next to the Resource box.
  5. In the dialog that is displayed, clear the Show Default Schema Only option and expand the node for the ODBC connection. Select the entity that you want.

You can now browse the table in the Data Viewer: Right-click the node for the table and then click Open. On the Data Viewer view, click Run.

Create the Mapping

Follow the steps below to add the Azure Synapse source to a mapping:

  1. In the Object Explorer, right-click your project and then click New -> Mapping.
  2. Expand the node for the Azure Synapse connection and then drag the data object for the table onto the editor.
  3. In the dialog that appears, select the Read option.

Follow the steps below to map Azure Synapse columns to a flat file:

  1. In the Object Explorer, right-click your project and then click New -> Data Object.
  2. Select Flat File Data Object -> Create as Empty -> Fixed Width.
  3. In the properties for the Azure Synapse object, select the rows you want, right-click, and then click copy. Paste the rows into the flat file properties.
  4. Drag the flat file data object onto the mapping. In the dialog that appears, select the Write option.
  5. Click and drag to connect columns.

To transfer Azure Synapse data, right-click in the workspace and then click Run Mapping.