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What are the demerits of three-schema architecture?

Anonymous

∙ 9y ago

Updated: 7/14/2025

The three-schema architecture can lead to complexity and increased overhead in managing data transformations between the internal, conceptual, and external schemas, making it harder for developers to maintain consistency. Additionally, it may introduce performance issues due to the additional layer of abstraction, potentially slowing down data access. Lastly, the reliance on mappings and transformations can increase the risk of errors, particularly if they are not well-documented or understood by all stakeholders.

AnswerBot

∙ 2w ago

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