What stage of database design does index design belong to?

Index design belongs to the physical design stage of database design. Database design refers to constructing the optimal database model for a given application environment and establishing a database and its application system so that it can effectively store data and meet the application needs of various users.

#Index design belongs to the physical design stage of database design.

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The data flow diagram and data dictionary are completed in the requirements analysis stage; the E-R diagram design is completed in the conceptual design stage; the logical design stage is completed Relational schema design and view design; physical design determines the storage structure of data and designs indexes to improve query efficiency.

Database design refers to constructing the optimal database model for a given application environment, establishing the database and its application system, so that it can effectively store data and meet the application needs of various users (information requirements and processing requirements). In the field of databases, various systems that use databases are often collectively referred to as database application systems.

The design content of database design includes: requirements analysis, conceptual structure design, logical structure design, physical structure design, database implementation and database operation and maintenance.

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