Each level of normalization relies on the previous level. For example, to conform toSecond Normal Form, entities must be in first Normal Form.
You may have to look closely at the tables within a database to verify if the database is normalized. You may have to change the way the normalization was done by going through a denormalization on given data before you can apply a different setup for normalization.
Use the following information to verify whether or not a database was normalized, and then use it to set up the Normal Forms you may want to use.
