Problem
Identify the type of key represented by Owner ID in table House. Explain how it was identified. Table: House House ID House Description Owner ID 1 Cottage on the coast 1 2 Mountain villa 1 3 Unit number 273881 2 Table: Owner Owner ID Name Surname 1 Joe Smith 2 Sarah Tshabalala. Define a primary key. Provide two examples in the context of an airline.