A database of contestants in a dog show where each dog, owner, and competition is identified by a primary key

A database that stores detailed information on the taxonomy of living things found in a geographical area, including the categories of kingdom, phylum, class, order, family, genus, and species

A database used to catalog types of architecture, geographical features, and sociologic$$fmharacteristics in various parts of the world

A database used to crossreference actors who have performed in various movies with directors, writers, and other support staff for those movies