What is a unique index, and why is it important?

By: USER6831
31 Agustus 2025 Ddos 5 minutes
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Grade: Education Subject: Ddos
What is a unique index, and why is it important?
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A unique index enforces uniqueness on the indexed column(s). It prevents duplicate values from being inserted into the table. It's crucial for maintaining data integrity and ensuring that certain columns contain only distinct values.
Answered on 31 Agustus 2025

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