Translating ER Diagrams with Key Constraints • Map relationship to a table: – Note that did is the key here! – Separate tables for Employees and Departments. • Since each department has a unique manager, we could instead combine Manages and Depart

Given an ER diagram, we can look for a relational schema that closely approximates the ER design. The translation is approximate because it is not always feasible to capture all the constraints in the ER design within the relational schema. (In SQL, certa

I have explained the reduction of the given ER diagram in the table given below. Each component like Strong entity sets, relationship sets, composite attributes etc are converted into the appropriate relational schemas and the fourth column shows the chan