For a given application environment, an optimized database logical mode and physical structure are designed, and the database and its application system are established accordingly, so that it can effectively store and manage data and meet the needs of different users, including information management requirements and data operation requirements. The goal of database design is to provide information infrastructure and efficient operating environment for users and systems. The basic task of database design is to design a database schema and its typical application programs according to the needs of users and the supporting environment of the database.
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