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Leetfs committed Sep 13, 2024
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## 数据库系统阶段

1. 采用复杂的**结构化**的数据模型
2. 较高的数据**独立性**(逻辑独立性、物理独立性)
3. 低冗余度
2. 应用程序和数据结构之间**独立性高**(逻辑独立性、物理独立性)
3. 冗余度低
4. 数据控制功能

##
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