Primary Key. DEFINITION: A primary key is a field in a table which is unique and enables you to identify every record in that table. Imagine what would happen if Mrs Smith telephoned the school to ask the secretary to pass on a message to her daughter Charlotte.
other factors may include the local market and reputation of the provider according to a genworth financial cost of care survey the national average for licensed companion care services is $ 18 an hour and most services require a 4 hour minimum
Now, you can only earn a Southwest Companion Pass using the following methods: 1  Fly 100 qualifying one-way flights in a calendar year. 2  Earn 110,000 Rapid Rewards points in a calendar year. 3  Purchase from Southwest Airlines Travel and Retail Partners to earn points.