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Showing posts with the label Database Normalization
Enforce Composite Unique Constraint That Depends On Parent Column Value

Enforce Composite Unique Constraint That Depends On Parent Column Value

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With provided schema i want to somehow enforce that there is unique reserved_seat:seat_id per showi… Read more Enforce Composite Unique Constraint That Depends On Parent Column Value
Is This Normalization Correct? (two Many-to-manys Connected By A Many-to-one)

Is This Normalization Correct? (two Many-to-manys Connected By A Many-to-one)

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I have a schema for a scorekeeping database with Game, Team, Player tables. One team has many playe… Read more Is This Normalization Correct? (two Many-to-manys Connected By A Many-to-one)
Which Database Design Gives Better Performance?

Which Database Design Gives Better Performance?

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I want to select to retrieve person and also further make some inserts, deletes and updates. If I w… Read more Which Database Design Gives Better Performance?
Verifying Non-key Column Dependencies And Transitive Dependencies

Verifying Non-key Column Dependencies And Transitive Dependencies

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I'm in the process of designing my first database and I'm trying to follow the normalizatio… Read more Verifying Non-key Column Dependencies And Transitive Dependencies