Given the following Schema Employee (empNo, fName, mName, lName, address, DOB, extension, position, deptNo)Department (deptNo, deptName, building, office, mgrEmpNo)Project (projNo, projName, deptNo)WorksOn (empNo, projNo, dateWorked, hoursWorked)Where:Employee contains employee details and empNo is its primary key.Department contains department details and deptNo is its primary key.mgrEmpNo identifies the employee who is the manager of the department. There is only one manager for each department.Project contains details of the projects in each department and its primary key is projNo (no twodepartments can run the same project).WorksOn contains details of the hours worked by employees on each project, andempNo/projNo/dateWorked form the key.Draw the E-R diagram (in UML notation) that matches this schema his schema.

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter9: Database Design
Section: Chapter Questions
Problem 7P
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Given the following Schema 
Employee (empNo, fName, mName, lName, address, DOB, extension, position, deptNo)
Department (deptNo, deptName, building, office, mgrEmpNo)
Project (projNo, projName, deptNo)
WorksOn (empNo, projNo, dateWorked, hoursWorked)
Where:
Employee contains employee details and empNo is its primary key.
Department contains department details and deptNo is its primary key.
mgrEmpNo identifies the employee who is the manager of the department. There is only one manager for each department.
Project contains details of the projects in each department and its primary key is projNo (no two
departments can run the same project).
WorksOn contains details of the hours worked by employees on each project, and
empNo/projNo/dateWorked form the key.
Draw the E-R diagram (in UML notation) that matches this schema his schema.

 

 

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