|
|
|
|
|
|
|
If you are using DAO, an implementation class, DaoDatabase, might look like this: |
|
|
|
|
|
|
|
|
'General Declarations
Implements IDatabase
Public Function IDatabase_openConnection(argConnectionString As _ String)
As Boolean
Dim returns
returns = _
SomeDAOVariable.OpenConnection(argConnectionString)
End Function |
|
|
|
|
|
|
|
|
If you've developed applications for any length of time, whether commercially or onsite at a company, you probably have come across problems you've solved beforeproblems that encompass entire applications or individual subsystems and components. By far one of the most popular kinds of applications developed in the world today is the order entry system. |
|
|
|
|
|
|
|
|
When a bank customer opens an account, she is essentially ordering a bank product. The order entry specialist is the bank teller. The bank may have corporate operations that handle behind-the-scenes details for fulfilling the bank product order such as FDIC compliance, verification of the customer's checking and credit histories, placing requests for new checks and checkbooks, cross-marketing for other bank products the customer might be interested in given her income and assets, and so on. |
|
|
|
|
|
|
|
|
In the telecommunications industry, a major service provider and owner of network elements and services typically orders switches, terminals, tandem nodes, end office nodes, and subscriptions to external networks. To fulfill a telecommunication order, one or more back office workgroups are tasked with work requests to configure signaling, routing, and trunking information to prepare a place in the network for the new network element or service. |
|
|
|
|
|
|
|
|
In software sales, the customer would order software either in a store or online via the Web. For non-online orders, the software retailer or manufacturer would then process the order, sending work requests to shrink-wrap operations, billing, and for large orders, quality assurance specialists and attorneys. After the bundling, billing, legal, and quality |
|
|
|
|
|