A. For the employees described in part A, define users, groups, and permissions on data in these four 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 four 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 create new records in SERVICE for new services that Marcia’s will perform. Suppose that you know that while your procedure is running, another stored procedure that records new or modifies existing customer orders and order line items can also be running. Additionally, suppose that a third stored procedure that records new customer data also can be running.