Higher normal forms,”Several normal forms exist beyond 3NF including:Elementary Key Normal Form (EKNF)Boyce-Codd Normal Form (BCNF or 3.5NF)Fourth Normal Form (4NF)Essential Tuple Normal Form (ETNF)Fifth Normal Form (5NF)Sixth Normal Form (6NF)Domain/Key Normal Form (DKNF)Typically it is sufficient to have tables in 3NF to avoid most types of anomalies

June 20, 2017 mfadmin Database

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Higher normal forms,”Several normal forms exist beyond 3NF including:Elementary Key Normal Form (EKNF)Boyce-Codd Normal Form (BCNF or 3.5NF)Fourth Normal Form (4NF)Essential Tuple Normal Form (ETNF)Fifth Normal Form (5NF)Sixth Normal Form (6NF)Domain/Key Normal Form (DKNF)Typically it is sufficient to have tables in 3NF to avoid most types of anomalies

although exceptions do exist”