Question: Relational databases enforce Integrity to ensure, for instance, that a teacher can't be assigned to a CLASS table unless there is already a record for

Relational databases enforce Integrity to ensure, for instance, that a teacher can't be assigned to a CLASS table unless there is already a record for that teacher in the TEACHER table.

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secondary

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ethical

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referential

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task model

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data flow

Relational databases enforce Integrity to ensure, for instance, that a teacher

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