Entity integrity

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In a relational database, entity integrity is a property that ensures that no records are duplicated and that no attributes that make up the primary key are NULL. It is one of the properties necessary to ensure the consistency of the database.

[edit] See also

• Relational Database Management System
• Structured Query Language (SQL)
• Referential integrity

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Retrieved from "http://en.wikipedia.org../../../e/n/t/Entity_integrity.html"

Categories: Computer stubs | Data modeling

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