The concept of

allows us to construct ERDs that function as blueprints $--$ they have a clear beginning that matches our intuition,

and we can follow the "map" of the ERD to ensure that table construction and data manipulation occurs in the proper order to work within our well$-$

constrained database.The concept of

allows us to construct ERDs that function as blueprints $--$ they have a clear beginning that matches our intuition,

and we can follow the "map" of the ERD to ensure that table construction and data manipulation occurs in the proper order to work within our well$-$

constrained database.