
Database Schema
A database schema is a blueprint or a plan for organizing and structuring a database. It defines how the data is organized and how the relationships among them are associated. It is a visual representation of the database that shows the tables, columns, data types, relationships, and constraints. The schema is used to create, modify, and maintain the database. It provides a framework for data storage, retrieval, and manipulation. A well-designed schema can improve the performance, scalability, and maintainability of the database. It also ensures data integrity and consistency.
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