If you are struggling with having good data integrity and need to reduce data redundancy, you probably need to get familiar with database normalization. Stick to the end to learn all about the essential forms of normalization and when you could apply them in your own projects! Note: At ~6:17 the table on the right should have the duplicate Lane/L row removed - sorry for the mistake! Learn SQL - Learn back-end development - Timestamps: 00:26 - What is Normalization?? 01:08 - The 4 Normal Forms 01:40 - First Normal Form 02:35 - Second Normal Form 05:21 - Third Normal Form 06:21 - Boyce-Codd Normal Form Like & subscribe if you enjoyed the video!