Normalization is one of the commandments of IT database pros, whether you are a data modeler, DBA, or SQL developer. Arthur Fuller defines each normal form and explores why most database designers ...

In addition to the first normal form (1 NF), a second normal form (2 NF), and a third normal form (3 NF) can also be used for database normalization. What Is 1St 2Nd And 3Rd Normal Form? Second normal ...

I call this the Theory of Onesies, in that every piece of data belongs where it exists only once. Take a breath and apply this thought across all the data items you are dealing with. The simple Theory ...