What is logical data model for Employees ID (Primary Key) Name Position Product Type Skill ID (Foreign Key to Skills) Skills ID (Primary Key) Skill Teams Team ID (Primary Key) Team Name Team Start Date Team Leader ID (Foreign Key to Employee ID) Development Manager ID (Foreign Key to Employee ID) Employee_Team Employee ID (Composite Primary Key) Team ID (Composite Primary Key) Projects Project ID (Primary Key) Project Name Start Date End Date Team Project Team ID (Composite Primary Key) Project ID (Composite Primary Key) Hours Worked Project ID (Foreign Key to Project ID) Developer ID (Foreign Key to Employee ID) Hours how is composite primary key drawn