This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
so you mean to say userId column will come in Email table only in case of one to many Bidirectional and not in case of one to many unidirectional? So in case of one to many unidirectional in Email table we should have only one column that is EmailId?