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
171 Rite Aid Cashier Salaries. Browse Rite Aid Salaries by Job Title â. Rite Aid Cashiers earn $18,000 annually, or $9 per hour, which is equal to the national average for all Cashiers at $18,000 annually and 109% lower than the national salary average for âall working Americans.