A Cobol copybook does not have the relations format. When it's parsed through the PowerCenter, this video explains,
1) How to generate the normalized view of the source
2) And, how to populate the data (mapping design).
How to automate the repository and domain back up process for disaster recovery in PowerCenter
How to find in which host the Repository Integration service is running in a multi node domain
Converting and adding of a self signed certificate to use a Webservice Consumer transformation