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Database Design Theory CS405G: Introduction to Database Systems

Database Design Theory CS405G: Introduction to Database Systems. Jinze Liu. Normalization. We discuss four normal forms: first, second, third, and Boyce-Codd normal forms 1NF, 2NF, 3NF, and BCNF

395 views • 38 slides

Database Design Theory CS405G: Introduction to Database Systems

Database Design Theory CS405G: Introduction to Database Systems. Jinze Liu. Normalization. Normalization We discuss four normal forms: first, second, third, and Boyce- Codd normal forms 1NF, 2NF, 3NF, and BCNF

568 views • 35 slides

Normalization

Normalization. Pongpisit Wuttidittachotti , Ph.D. Faculty of Information Technology King Mongkut's University of Technology North Bangkok (KMUTNB). Normalization. Normalization We discuss four normal forms: first, second, third, and Boyce-Codd normal forms 1NF, 2NF, 3NF, and BCNF

388 views • 27 slides

Normalization

667 views • 26 slides

Normalization

515 views • 25 slides

Normalization

Normalization. There is a sequence to normal forms: 1NF is considered the weakest, 2NF is stronger than 1NF, 3NF is stronger than 2NF, and BCNF is considered the strongest Also, any relation that is in BCNF, is in 3NF; any relation in 3NF is in 2NF; and

247 views • 24 slides