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Informatica ETL: A Beginner’s Guide To
Understanding ETL Using Informatica
PowerCenter
There are four tools of Informatica PowerCenter.
1. Designer: Informatica PowerCenter Designer screen let you to create mappings that
contain transformation instructions for the Integration Service.
3. Repository Manager: Use the Repository Manager to assign permissions to users
and groups and manage folders.
4. Workflow Manager: Use the Workflow Manager to create, schedule, and run
workflows. A workflow is a set of instructions that describes how and when to run tasks
related to extracting, transforming, and loading data.
5. Workflow Monitor: Use the Workflow Monitor to monitor scheduled and running
workflows for each Integration Service.
Tools 1: Designer :
Open PowerCenter Designer.
Below is the Home page of Informatica PowerCenter Designer.
Right click on your repository and select connect option.
On clicking the connect option, you will be prompted with the below screen, asking for your
repository username and password.
Once you have connected to your repository, you have to open your working folder as seen
below:
Select the tools menu and click on Source Analyser
Now Select the Source menu and click on ‘Import from Database’.
Select on the source database by the connetion string and serach for the table that already
exist in the source database.
By searching the list of table will generate on stage for selecting. Click on the table to insert
then ‘OK’.
Following source will be inserted into Source Analyser. Then Save the work. After every
insertion, need to save the repository.
Now for target selecting, Click on the Tools and select the Target Designer.
Later select the Target menu and then option ‘Import from Database’
Now for Target table, provide the connection string for warehouse user and serach the table
From the serach option, choose the table that you have serach and then ok. Please ensure
that the table you have search for will be exsist on warehouse and have the same property
that you want to store in warehouse table.
Taget table will be inserted and confrimation from the log file. Then click on Save button.
For creating a mapping among source and target, select Tools menu and
Now select the Mapping menu and click on Create
Now provide mapping name and click ok.
A mapping will be created. Now select the surce table from source objects.
With the source table, there is a source qualifier will be mapped like below window.
Select target table and drag into the mapping.
Now join the mapping between source and target.
Tools 3:
Open the Workflow Designer.
To create a session, select the the Tasks menu and choose the option Task
Developer.
Now go to task menu and press the Create Button.
Mention a name of the session name and select the button Create.
Choose the Mapping Name and select OK.
After select Mapping, click on the Done button
A session will be created as below.
Now for creating a workflow, move on the Tools menu and select Workflow Designer.
Now switch on to Workflow Menu and choose the button Create.
Provide name of that workflow and click OK.
Following Workflow will be created in the Workflow window.
One can get the Fetch log to ensure the creation of workflow.
Now select the session from the list of sessions then drag into workflow organizer.
After dragging, following session will be inserted into the workflow monitor.
Click on the link task
Drag from the start then establish link between the session.
Then save the workflow.
Double Click on the session and following window will be pop up. Click on the Mapping tab
and check the connection for source and target.
From the left chart of Target connection and change the Target Load type from Bulk to
Normal.
You will get the Edit Transformation pop up as seen below. Click on Properties tab. From the
Source qualifier there can be user defined join with SQL.
You will get the following SQL Editor. After provide proper join click on OK.
From the Sql query of Properties a total sql query can be used to get proper data.
Right click on the Workflow window and Start Workflow.
After staring the workflow, follwing windows remarks of executing workflow.
Tools 4: Workflow Monitor:
Open the Workflow Monitor from the below option.
Work status can be found from the Workflow Monitor.
Right click on the Workflow also can get the properties. There can be Get Session Log which
identify if there is any error occurs.
Prepared By
Sourav Paul
Business Process Management
DBL Group

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Informatica power center

  • 1. Informatica ETL: A Beginner’s Guide To Understanding ETL Using Informatica PowerCenter There are four tools of Informatica PowerCenter. 1. Designer: Informatica PowerCenter Designer screen let you to create mappings that contain transformation instructions for the Integration Service. 3. Repository Manager: Use the Repository Manager to assign permissions to users and groups and manage folders. 4. Workflow Manager: Use the Workflow Manager to create, schedule, and run workflows. A workflow is a set of instructions that describes how and when to run tasks related to extracting, transforming, and loading data. 5. Workflow Monitor: Use the Workflow Monitor to monitor scheduled and running workflows for each Integration Service.
  • 2. Tools 1: Designer : Open PowerCenter Designer. Below is the Home page of Informatica PowerCenter Designer. Right click on your repository and select connect option.
  • 3. On clicking the connect option, you will be prompted with the below screen, asking for your repository username and password. Once you have connected to your repository, you have to open your working folder as seen below:
  • 4. Select the tools menu and click on Source Analyser Now Select the Source menu and click on ‘Import from Database’.
  • 5. Select on the source database by the connetion string and serach for the table that already exist in the source database. By searching the list of table will generate on stage for selecting. Click on the table to insert then ‘OK’.
  • 6. Following source will be inserted into Source Analyser. Then Save the work. After every insertion, need to save the repository. Now for target selecting, Click on the Tools and select the Target Designer.
  • 7. Later select the Target menu and then option ‘Import from Database’ Now for Target table, provide the connection string for warehouse user and serach the table
  • 8. From the serach option, choose the table that you have serach and then ok. Please ensure that the table you have search for will be exsist on warehouse and have the same property that you want to store in warehouse table. Taget table will be inserted and confrimation from the log file. Then click on Save button.
  • 9. For creating a mapping among source and target, select Tools menu and Now select the Mapping menu and click on Create
  • 10. Now provide mapping name and click ok. A mapping will be created. Now select the surce table from source objects.
  • 11. With the source table, there is a source qualifier will be mapped like below window. Select target table and drag into the mapping.
  • 12. Now join the mapping between source and target.
  • 13. Tools 3: Open the Workflow Designer. To create a session, select the the Tasks menu and choose the option Task Developer.
  • 14. Now go to task menu and press the Create Button. Mention a name of the session name and select the button Create.
  • 15. Choose the Mapping Name and select OK. After select Mapping, click on the Done button
  • 16. A session will be created as below. Now for creating a workflow, move on the Tools menu and select Workflow Designer.
  • 17. Now switch on to Workflow Menu and choose the button Create. Provide name of that workflow and click OK.
  • 18. Following Workflow will be created in the Workflow window. One can get the Fetch log to ensure the creation of workflow. Now select the session from the list of sessions then drag into workflow organizer.
  • 19. After dragging, following session will be inserted into the workflow monitor. Click on the link task Drag from the start then establish link between the session.
  • 20. Then save the workflow. Double Click on the session and following window will be pop up. Click on the Mapping tab and check the connection for source and target.
  • 21. From the left chart of Target connection and change the Target Load type from Bulk to Normal. You will get the Edit Transformation pop up as seen below. Click on Properties tab. From the Source qualifier there can be user defined join with SQL. You will get the following SQL Editor. After provide proper join click on OK.
  • 22. From the Sql query of Properties a total sql query can be used to get proper data.
  • 23. Right click on the Workflow window and Start Workflow.
  • 24. After staring the workflow, follwing windows remarks of executing workflow.
  • 25. Tools 4: Workflow Monitor: Open the Workflow Monitor from the below option. Work status can be found from the Workflow Monitor. Right click on the Workflow also can get the properties. There can be Get Session Log which identify if there is any error occurs.
  • 26. Prepared By Sourav Paul Business Process Management DBL Group