Using the tDataprepRun component to prepare data from a
database in a Talend Job
This scenario applies only to a subscription-based Talend solution.
The tDataprepRun component allows you to reuse an existing
preparation made in Talend Data Preparation,
directly in a data integration Job. In other words, you can operationalize the process of
applying a preparation to input data with the same model.
The following scenario creates a simple Job
that :
- retrieves a table from a MySQL database, that holds some employee-related
data, - applies an existing preparation on this data,
- outputs the prepared data into an Excel file.

This assumes that a preparation has been created beforehand, on a dataset
with the same schema as your input data for the Job. In this case, the existing preparation is
called datapreprun_scenario. This simple preparation puts the employees
last names into upper case and isolate the employees with a salary greater than 1500$.

Document get from Talend https://help.talend.com
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