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
How much does Halliburton Energy Services pay? Halliburton Energy Services pays its employees an average of $83,330 a year. Salaries at Halliburton Energy Services range from an average of $51,599 to $137,352 a year. Halliburton Energy Services employees with the job title Senior Director of Strategy make the most with an average annual salary of $226,183, while employees with the title Electronics Technician make the least with an average annual salary of $36,170.