Global Bike, Inc. ERP for Sales / Collection
Using Access Database Program
The purpose of this project is to extend the principles
learned in the Excel project to a relational database application. This project
creates an enterprise resource management (ERP) system sub-component, that of
the sales to collection business process.
This project will result in the development of a set of tables and forms
that model in simplicity, the very complex application that comprises the SAP
enterprise resource management set of applications.
Once you have completed this project you will be able to:
1.
describe transactions in terms of the resources,
events, agents (REA) model;
2.
model a business transaction in a relational
database application;
3.
create forms that allow the entry and editing of
business information;
The “Resources, Events, Agents,” (REA)
model is used extensively in the design and application of accounting
information systems and enterprise resource management systems. REA was
originally proposed in 1982 by William E. McCarthy as a generalized accounting
model, and contained the concepts of resources, events and agents (McCarthy
1982)[i].
The REA model replaces several accounting objects that are
not necessary in the computer age. Many accounting students initially find this
replacement troubling, as the most basic accounting concepts, those of debits,
credits, and ledger accounts, are no longer used. In their place, are
computer-generated structures of forms, queries, and reports.
In an accounting system based on the REA model, the
computer is used as a virtual representation of the business. This is
accomplished by creating computer objects that represent
real-world-business-objects. By definition, the REA model is an “ontology[ii]”
in that it comprises a specification of a conceptualization, defined as three
inter-dependent objects:
1.
goods, services or money, i.e., resources
2.
business transactions or agreements that affect
resources, i.e., events
3.
people or other human agencies (other companies,
etc.), i.e., agents
Whereas conventional accounting terms such as asset or
liability are defined in terms of concepts, the REA objects are defined as
real-world objects. For example, the common accounting asset, goodwill, is not
a resource in the terms of the REA ontology.
Using REA, each business process in a company is
separately modeled. A business process is generally defined as a functional
department, or a business function as defined in Porter’s “value chain.” Some
examples of business processes are sales, purchases, manufacturing, human
resources, and financing.
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