Labels:text | clothing | footwear | screenshot | man | person OCR: Entity/attribute listings: ITEM Ently ITEM attributes, A Product code Description Price LINE CUST-ITEM Entity LINE attributes, AF Invoice number \Line number Quantity Entity INVOIGE atinbutes, INVOICE CUSTOMER \\Invoice number Customer code Entity CUSTOMER attributes; Notation: Customer code One to-many relationship. tone customer has many invoices' Name Address The altobule s) that make up the unique key. Entity CUIST ITEM attributes, of en entity & Customer code Auf item code A foreign key - the Ihk to ar other entity; where it is the unique key Figure 2 - Entity / relation diagram.
(1999).iso/EXEPC/APR97/WATSF102.GIF){kind=small}
(1999).iso/EXEPC/APR97/WATSF101.GIF){kind=link}