This is used to ensure that your report doesn’t contain any error. When a report created in the older version of Cognos is upgraded it is automatically validated.

To validate a report, go to the Tools menu and click on the Validate button as shown in the following screenshot.

There are different Validation levels −

• Error − To retrieve all errors returned from the query.

• Warning − To retrieve all errors and warnings returned from the query.

• Key Transformation − To retrieve important transformation steps.

• Information − To retrieve other information related to query planning and execution.