After you configure a mapping and run the preview,

Data Integration

creates and runs a temporary SQL ELT preview mapping task. When the job completes,

Data Integration

displays the SQL queries to be executed and any warnings in the

SQL ELT Query

panel. The warning messages help you understand which transformations in the configured mapping are not applicable for SQL ELT optimization. If SQL ELT query preview fails,

Data Integration

lists any queries generated up to the point of failure. You can edit the mapping and fix the required transformations before you run the mapping for SQL ELT optimization.

You can also view the temporary job created under

My Jobs

and download the session log to view the queries generated.

For more information about how to preview SQL ELT query, see "SQL ELT query preview" in

Mappings

in the Data Integration documentation.