Database Design The process of designing the general structure of the database: Logical Design-Deciding on the database schema.Database design requires that we find a "good"collection of relation schemas. Business decision-What attributes should we record in the database? Computer Science decision-What relation schemas should we have and how should the attributes be distributed among the various relation schemas? Physical Design-Deciding on the physical layout of the database Database System Concepts-7th Edition 1.21 ©Silberscha乜，Korth and SudarshanDatabase System Concepts - 7 1.21 ©Silberschatz, Korth and Sudarshan th Edition Database Design ▪ Logical Design – Deciding on the database schema. Database design requires that we find a “good” collection of relation schemas. • Business decision – What attributes should we record in the database? • Computer Science decision – What relation schemas should we have and how should the attributes be distributed among the various relation schemas? ▪ Physical Design – Deciding on the physical layout of the database The process of designing the general structure of the database: