1. Create an EER diagram using MySQL Workbench for a product database with products belonging to categories, products having names, descriptions, and prices, and categories having names and descriptions. 2. Create an EER diagram using MySQL Workbench for a customer database with customer profiles including addresses, and the ability to set default billing and shipping addresses, with addresses having details and a single country table rather than repeating country names. 3. Create an EER diagram using MySQL Workbench for an association membership database with members belonging to groups, and groups having members, to track member and group information.