NguyenPHPSE62075 lab3

Phạm Hoàng Phúc Nguyên MSSV: SE62075 Class: SE1069 Exercise1: ER1 Solution: Employees ID Name EMPLOYEES (ID , Name , ManageID ) ManageID ER2 Solution: FLIGHT( Flight# , Date , From , Location * Code Name Flight * Flight# Date LOCATIONS (Code , Name ) ER3 Solution: EMPLOYEES ( ID , Name ) PRODUCTS ( Code, Name , Price , Date , EmployeeID ) From_location To_location To) ER4 Solution: EMPLOYEE ( EmpID , Name ) PRODUCT ( Code , Name) CUSTOMER ( CustomerID , Name ) Sale ( CustomerID , EmployeeID , ProductCode , Quantity ) Employee EmpID Name Sale EmployeeID Product ProductCode Code CustomerID Name Quantity Customer CustomerID Name ER5 Class * Code Solution: Class Person * PERSON ( Code , Name ) Code Name TEACHER ( PersonCode , Speciality) STUDENT ( PersonCode , Class ) Teacher * Code Speciality Exercise 2: ER Relation: Employee ( ID , Name , rate-bill ) Skill ( Name , EmpID ) Project ( Code ) Designated ( ProjectCode , EmpID , ContractCode ) Contract ( Code ) Assign ( Hourwork , ContractCode , EmpID , BillID) Billing ( salary , BillID )