A. For the employees described in part A, define users, groups, and permissions on data in these six tables. Use the security scheme shown in Figure 9-15 as an example. Create a table like that in...

A. For the employees described in part A, define users, groups, and permissions on data in these six tables. Use the security scheme shown in Figure 9-15 as an example. Create a table like that in Figure 9-14. Don’t forget to include yourself.

B. Suppose that you are writing a stored procedure to record new purchases. Suppose that you know that while your procedure is running, another stored procedure that records new customer sales and sale line items can also be running. Additionally, suppose that a third stored procedure that records new customer data also can be running.