and denormalization should only take place after a satisfactory level of normalization has taken place and that any required constraints and/or rules have been created to deal with the inherent anomalies in the design. For example, all the relations are inthird normal formand any relations ...
Database normalization is the process of organizing data into tables in such a way that the results of using thedatabaseare always unambiguous and as intended. Such normalization is intrinsic torelational databasetheory. It may have the effect of duplicating data within the database and often res...
First object normal form (1ONF): A class is in 1ONF when specific behavior required by an attribute that is actually a collection of similar attributes is encapsulated within its own class. Second object normal form (2ONF): A class is in 2ONF when it is in 1ONF and when "shared" beh...