The field of database design involved computer science, data structure, database theory, programming languages, and many other fields. If you want to learn database design, you can refer to the following books: "Concepts of Data Systems": This is a classic database design textbook co-written by John O, Sander P sanders, and B J Solan. The book introduced the concept, design, and management of database systems in detail, covering many aspects such as the relationship database, non-relationship database, stored procedures, triggers, and index. <strong></strong><strong> 2 </strong></strong> The book introduced the usage of various database design tools, including ERWin, PowerDesigner, and SQL Server 2005. 3."Data Base Design: A Top-Down Approach": This is an introduction to the principles of database design by David H DeLong and James F outler. The book introduced the establishment of database structure, the design of database tables, the establishment of index, query optimization and many other aspects from the basic principles of designing a database. 4.<<Databank Design: The Practice Guide>> This is a very practical practice guide for database design, co-written by David F. O'Hallaron and John R. Kurose. The book introduced various practical experiences in database design, including the design of a relationship database, a non-relationship database, stored procedures, triggers, query optimization, and many other aspects.