For example, a database that is 3NF is always 1NF and 2NF; does this hold for 4, 5, and 6?
I want to sharpen my database normalization skills. Where can I find good quality beginner-to-advanced level exercises (with solutions) on the web ?
Which of these is true: If a table is in 2nd normal-form then it must be in 3rd normal-form. If a table is in 3rd normal-form then it must be in 2nd normal-form. I know only one of them is ...