3NF Insights | Sumble

What is 3NF?

3NF stands for Third Normal Form. It is a database normalization level that builds upon the first and second normal forms. A table is in 3NF if it satisfies 2NF and no non-prime attribute is transitively dependent on any candidate key. This means all non-key attributes are dependent only on the primary key.

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What other technologies are related to 3NF?

3NF Competitor Technologies

Dimensional

Dimensional modeling, particularly the Kimball methodology, offers an alternative approach to data warehousing compared to 3NF, focusing on denormalization for improved query performance.

mentioned alongside 3NF in 20% (56) of relevant job posts

Data Vault

Data Vault modeling provides a different approach to data warehousing that prioritizes auditability and flexibility over the stricter normalization of 3NF.

mentioned alongside 3NF in 5% (163) of relevant job posts

Kimball

Kimball is a specific dimensional modeling methodology that competes with 3NF data warehousing. It uses a star schema with fact and dimension tables which focuses on denormalization for query speed.

mentioned alongside 3NF in 8% (59) of relevant job posts

3NF Complementary Technologies

ETL

ETL (Extract, Transform, Load) processes are essential for populating a 3NF data warehouse. ETL tools move and transform data from source systems into the normalized 3NF schema.

mentioned alongside 3NF in 0% (69) of relevant job posts

SQL

SQL is the standard language for querying and manipulating data in relational databases, and would be used to interact with a 3NF data warehouse.

mentioned alongside 3NF in 0% (127) of relevant job posts