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Please use the database you created in the Week 4 Assignment. I have attached what was done in Week 4.
- Create a matrix to indicate permissions (read, insert, delete, modify) you would grant to different users of your database.
- Create at least two different users and implement their permissions using SQL statements.
“Consider the following normalized relations for a database in a large retail store chain:
STORE (Store_ID, Region, Manager_ID, Square_Feet)
EMPLOYEE (Employee_ID, Where_Work, Employee_Name,
DEPARTMENT (Department_ID, Manager_ID, Sales_Goal)
SCHEDULE (Department_ID, Employee_ID, Date)
Assume that a data communications network links a computer at corporate headquarters with a computer in each retail outlet. The chain includes 50 stores with an average of 75 employees per store. There are 10 departments in each store. A daily schedule is maintained for five months (the previous two months, the current month, and next two months). Further assume that
- Each store manager updates the employee work schedule for her or his store roughly five times per hour.
- The corporation generates all payroll checks, employee notices, and other mailings for all employees for all stores.
- The corporation establishes a new sales goal each month for each department.
- The corporation hires and fires store managers and controls all information about store managers; store managers hire and fire all store employees and control all information about employees in that store.
- Would you recommend a distributed database, a centralized database, or a set of decentralized databases for this retail store chain? Please explain why.
- Assuming that some form of distributed database is justified, what would you recommend as a data distribution strategy for this retail store chain?” (Hoffer, Prescott, & Topi, 2009, p. ch.14 – 29 ).