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In this concept we determine those element that transform objects within the data architecture for some business purpose. We consider the relationship architecture to be the system of program that performs this transaction.
In our project context, the application architecture might incorporate the role of customer/company and business procedures that have not been automated.
The Technology infrastructures provide the foundation for the data and application architectures. This includes computers, operating systems, network, and links storage.
In our project we use Windows 2000 Server as operating system, SQL server 2000 for data storage, and security. For GUI we use Visual Basic 6.0.
DATA MODELING:
The information flow defined as part of the business modeling phase is refined into a set of data objects that are needed to support the business .the characteristics (called attributes) of each object are identified and the relationship’s between these objects defined.
In our project first we concentrate to establish the following points
i) data objects
ii) attributes
iii) relationship
In this project the data object is a representation of any composite information that must be understand by software. By COMPOSITE INFORMATION, we mean something that has a number of different properties or attributes.
Data object can be external or internal (i.e., anything that produce or consumes information) data object encapsulates data only –there is no reference within a data object to operations that act on the data. There fore the data object can be represent as a table as bellow. The heading is the table reflects attributes of the object .in this case, a product is defined in term of make part no, code, warranted.
Attributes:
Attributes define the properties of a data object. Attribute names, describe its characteristics, and in some cases, make reference to another object.
Relationships:
Relationships indicate the manner in which data object are “connected” to one another.
Now we will explain the relation with the help of our project component for example we consider two data object, product and warehouse. These objects can be represented using the simple notation as bellow:
CONNECTION BETWEEN OBJECTS
I have used more than one connection in our project for the following reason:
· Warehouse orders the products
· Warehouse display products
· Warehouse stock product
· Warehouse sell product
· Warehouse purchase product
· Warehouse return product
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