Data-Structure Diagrams(Cont.) Since a link cannot contain any data value,represent an E-R relationship with attributes with a new record type and links. access-date customer-street Caccount-number balance customer-name customer-city customer depositor account (a)E-R diagram customer-name customer-street customer-city account-number balance customer account customer-date account-date access-date access-date (b)Network diagram Database System Concepts,5th Ed. A.5 @Silberschatz,Korth and SudarshanDatabase System Concepts, 5 A.5 ©Silberschatz, Korth and Sudarshan th Ed. Data-Structure Diagrams (Cont.) Since a link cannot contain any data value, represent an E-R relationship with attributes with a new record type and links