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
ESA astronauts are ranked as A2 to A4 on the pay scale. That gives a range of $6430 to $10550 a month. RFSA. The new cosmonaut pay scale ranges from $1830 to $2640 a month. Cosmonauts also negotiate contracts for flights and can be paid $130-$150,000 for a 6 month flight on the ISS.