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所在平台: Udemy |
课程主页: https://www.udemy.com/course/relationalmodel/
课程评论：没有评论
**课程名称：** 关系数据库基础与范式化 **课程概述：** 本课程深入探讨了关系数据库的模型，该模型由埃德加·科德（Edgar F. Codd）于1969年提出，它是一种基于一阶谓词逻辑的数据管理方法。课程解释了如何将所有数据表示为元组，并将它们组织成关系，从而构建关系数据库。 学习本课程将帮助您理解关系模型的清晰、结构化的数据组织方式，掌握表格、行、列、键、关系和约束等核心概念。 课程将带领您学习关系、关系代数和范式化的基本概念，并阐述集合论如何有效地应用于复杂信息的逻辑表示和操作。 课程强调了关系模型在准确表示现实世界中的关系和依赖性方面的指导作用。学习关系数据库的理论基础，尤其是对于计算机科学、数据库管理或软件开发领域的人员来说，优势尤为明显。它使您能够编写复杂的查询来高效地检索、筛选和操作数据，这对于从数据中创建有意义的报告和洞察至关重要。通过学习范式化，您将能够设计出结构良好且易于维护的数据库。
The relational model is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, where all data is represented in terms of tuples, grouped into relations. A database organized in terms of the relational model is a relational database.The relational model provides a clear and structured way to understand how data is organized and represented in a database. Learning this model helps you grasp the foundational concepts of tables, rows, columns, keys, relationships, and constraints.This course will take you through the fundamental concepts behind relations, relational algebra and normalization. How set theory has effectively been applied for the logical representation and manipulation of complex information.The relational model provides guidelines for structuring databases to accurately represent real-world relationships and dependencies. Learning about the relational model theory, which forms the foundation of relational databases, can offer several advantages, especially if you're involved in computer science, database management, or software development. It enables you to write complex queries to retrieve, filter, and manipulate data efficiently. This is essential for creating meaningful reports and insights from the data. Learning about normalization helps you design databases that are well-structured and maintainable.
