Your normalization guidebook: “Database Normalization Made Simple”
The book-length guide Database Normalization Made Simple: A Practical Guide From Decomplexify With Exercises And Examples is available for purchase.
Database cheat sheets
The “Decomplexify Quick Reference on Normal Forms and Entity Relationship Diagrams” is a handy visual guide that you can use when preparing for exams or interviews, or when designing a database. Sign up to get a copy.