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Try them now for free →Extract, Transform, and Load SQL Analysis Services Data in Informatica PowerCenter
Create a simple Workflow for SQL Analysis Services data in Informatica PowerCenter.
Informatica provides a powerful, elegant means of transporting and transforming your data. By utilizing the CData ODBC Driver for SQL Analysis Services, 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 create a simple Workflow in Informatica PowerCenter to extract SQL Analysis Services data and load it into a flat file.
Add SQL Analysis Services as an ODBC Data Source
If you have not already, install the driver on the PowerCenter server and client machines. On both machines, specify the 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, provide authentication and set the Url property to a valid SQL Server Analysis Services endpoint. You can connect to SQL Server Analysis Services instances hosted over HTTP with XMLA access. See the Microsoft documentation to configure HTTP access to SQL Server Analysis Services.
To secure connections and authenticate, set the corresponding connection properties, below. The data provider supports the major authentication schemes, including HTTP and Windows, as well as SSL/TLS.
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HTTP Authentication
Set AuthScheme to "Basic" or "Digest" and set User and Password. Specify other authentication values in CustomHeaders.
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Windows (NTLM)
Set the Windows User and Password and set AuthScheme to "NTLM".
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Kerberos and Kerberos Delegation
To authenticate with Kerberos, set AuthScheme to NEGOTIATE. To use Kerberos delegation, set AuthScheme to KERBEROSDELEGATION. If needed, provide the User, Password, and KerberosSPN. By default, the data provider attempts to communicate with the SPN at the specified Url.
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SSL/TLS:
By default, the data provider attempts to negotiate SSL/TLS by checking the server's certificate against the system's trusted certificate store. To specify another certificate, see the SSLServerCert property for the available formats.
You can then access any cube as a relational table: When you connect the data provider retrieves SSAS metadata and dynamically updates the table schemas. Instead of retrieving metadata every connection, you can set the CacheLocation property to automatically cache to a simple file-based store.
See the Getting Started section of the CData documentation, under Retrieving Analysis Services Data, to execute SQL-92 queries to the cubes.
Create an ETL Workflow in PowerCenter
Follow the steps below to create a workflow in PowerCenter to pull SQL Analysis Services data and push it into a flat file.
Create a Source Using the ODBC Driver
- In PowerCenter Workflow Manager, add a new ODBC relational connection by going to Connections -> Relational, and in the first window select the ODBC type and click New.
- In the Relational Connection Editor, set the name of the newly created connection and set the User Name and Password based on the credentials utilized to connect to your Repository. Under the Connection String input your System DSN, which by default is called 'CData SSAS Sys'.
- In PowerCenter Designer, connect to your repository and open your folder. If you do not already have a folder created, you will need to manually create a folder for your repository. To create a folder, open Informatica PowerCenter Repository Manager, connect to your Repository Service and go to Folder -> Create to create a new folder.
- Select the Source Analyzer, click the sources menu, and select Import from Database...
- In the drop-down menu for ODBC data source, select the DSN you previously configured (CData SSAS Sys).
- Click connect and select the tables and views to include.
- Click OK.
Create a Flat File Target Based on the Source
- Select the Target Designer and drag and drop the previously created source onto the workspace. Using the existing source copies the columns into the target.
- Right-click the new target, click edit, and change the database type to flat file.
Create a Mapping to Between SQL Analysis Services Data and a Flat File
- Click on the Mapping Designer.
- Drag the source and target to the workspace (name the new mapping, if prompted).
- Right-click on the workspace and select Autolink by Name.
- Drag the columns from the source qualifier to the target definition.
- Save the folder (Ctrl + S).
Create Workflow Based on the Mapping
With the source, target, and mapping created and saved, you are now ready to create the workflow.
- Right-click the mapping and select generate workflow to open the Workflow Generation wizard.
- Create a workflow with a non-reusable session.
- Ensure that you have properly configured the connection object and set the prefixes. If you have not already done so, you will need to create an Integration Service. To create an Integration Service, open your Administrator site, and under Domain, create a new PowerCenter Integration Service. Under the PowerCenter Repository Service, select the Repository you are referring to, and as Username and Password, use your Administrator login information.
- Configure the Connection as needed.
- Review the Workflow and click Finish.
With a workflow created, you can open the PowerCenter Workflow Manager to access and start the workflow, quickly transferring SQL Analysis Services data into a flat file. With the CData ODBC Driver for SQL Analysis Services, you can configure sources and targets in PowerCenter to integrate SQL Analysis Services data into any of the elegant and powerful features in Informatica PowerCenter.