Issues and Problems: CAR table . Driver_No could be a foreign key but this looks like it is about car hire. . Driver_Address should be broken down but is part of the DRIVER table this is redundant data. . Retum_Date belongs to a CarHire table . Date_Returned belongs to a CarHire table and needs to be differentiated with Retum_Date. These two attributes are different. DRIVER table . Driver_Name and Driver_Address could be broken down. 0 Driver_Lioence could be the primary key instead of Driver_No if Driver_No is not a FK. The driver may have many licences, depends on what you want to depict. . Fines_Owing and Fines_Paid could be a separate table