The difference between an aggregation and a regular association is often a judgment call. Provide a single 2. Permanent Employer The permanent employer of a contract employee. Duplicate employee information stored in different databases. With a little thinking ,attributes such as these can be devised that will work for essentially any kind of deduction. Also, state any assumptions you make.
Room A room where employees may work. If you will be doing Milestone 5 as a sepatate assignment,you may want to withhold this solution. In most activities explanations for why things were done as they were have been provied to aid in your understanding of the solution. Identify external and temporal business events for a system. You now need to build the corresponding process models.
Case Study 1 ESSS – Milestone 1 Solution_图文_百度文库
Maximum Weekly The maximum hours per week Hours that is scheduled for each hourly employee. It is possible they might have identified different ones and stated completely different values for each of the cells.
The first name, stucy name, and last name of an emergency contact. Similaryiy,two or more building could feasibly hava the same mail stop Ids. Add caxe collection s Add to saved. Merge event diagrams into a system data flow diagram. Hardcopy telephone book,published quarterly,becomes quickly out of date.
Functional The system should run on a system that is less expensive to operate than Non-functional the mainframe.
Every Employee has srudy or more EmergencyContacts. Permanent Employer The permanent employer of a contract employee. Users cannot get reports they need in a timely fashion. The following completed maxtrix is one possible solution.
Actor Action System Response Step 1: Identify external and temporal business events for a system. New system must be secured to prevent 2.
The home phone number of an employee. P Data flow diagrams are tools that depict the flow of data through a system and the work or processing performed by that system. It is important to ensure that students use the proper controls when designing their screens.
Case study ESSS milestone 05 data model normalization
The difference between an aggregation and a regular association is often a judgment call. An Employee will make zero or more UnitedWayContributions zero or one each year. Whether or not they identify the optional entities will depend on how they interpret the user requirements and on thheir experience level with datebase normalization.
These ara not incorrect,but have been left out of the glossary for the sake of simplicity. This diagram was created in Rational Rose. New system must be secured to prevent unauthorized accessof employee data. The first name, middle name, last name, and nickname of an employee. One solution is shown below. Information changes are submitted via forms and then have to be keyed into the system by an administrator,thus creating a lag time before the data in the system is current.
If you,the instructor,choose to do your own solution,it may be different,depenting on your interpretation of the forms provied. Another alternative is to start with this data model for Milestone but add addition requirements,such as the Milestone Advanced Option and require that students revise the data model accordingly. Employee Self Service System Author s: HR cost and labor required for processing employee information changes excessive.
None None Web programming to be used so employees can have easy remote access. Note that not everything in the transcript is related to the Context Diagram. An order submitted by employees to have a charitable contribution deducted from their payroll. A building where employees work in various rooms.
You can add this document to your saved list Sign in Available only to authorized users. Non-functional Functional The system should provide a facility that makes it easy for employees to sign up the manager United Way deductions and other payroll deduction Functional from their mjlestone.