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Homebulletgrey.gifeNewsletterbulletgrey.gifVolume25bulletgrey.gifChanging c-treeVCL Modes


Change Your c-treeVCL c-tree Library to Client-Server

Borland’s Visual Component Library (VCL components) led the way in programmer productivity with superb drag and drop convenience within the integrated development design editor. FairCom has supported this concept with c-treeVCL components for rapid database development using c-tree in the Borland environment.

The c-treeVCL Components are installed with a simple installer. When a user installs c-treeVCL, they are asked “in which model they want to develop”, and are offered 2 choices, standalone or client/server. By default, they are given immediate access to a c-tree Server via the client option.

Many programmers begin with simple standalone applications. Frequently, these successful applications grow to multi-user enterprise applications requiring the full power of the c-tree Server. It is easy to switch the c-tree library required by the c-treeVCL components to make this change!

One simple way is to just quickly re-install the c-treeVCL components, selecting the appropriate option. This will have no other impact upon your installation. However, it is also a simple matter to edit the following registry entry:

HKEY_LOCAL_MACHINE\Software\FairCom\c-treeVCL\DllName

Simply reference ctclient.dll to use c-tree client/server mode or ctreestd.dll to use c-tree standalone mode. You can immediately begin using the c-treeVCL components with this referenced model.

Follett Software Company utilizes FairCom technology as part of their Catalog Plus and Circulation Plus library automation systems. Catalog Plus offers powerful searching of entire library collections including books, periodicals, audio and video files, eBooks, and a host of other media.

Follett's Circulation Plus system is designed to minimize the work associated with circulation and inventory management by automating these tasks. This includes routine circulation tasks that are typically performed by hand such as checking-in and checking-out books, calculating fines, sending overdue notices, and processing renewals. Circulation Plus puts complete inventory control in the hands of the librarian.

The portability and flexibility that has been part of FairCom's reputation for over 20 years have been fundamentally important to FSC. c-tree Plus' native support for multiple platforms, including Windows, Novell Netware, and Apple Macintosh, means that no changes are required in the database code when moving an application to different operating systems. The c-tree Server's heterogeneous networking allows FSC's engineers to implement Catalog Plus and Circulation Plus on different server platforms while supporting clients using any combination of Windows and Mac operating systems. FairCom handles all data conversions between the various operating systems and allows FSC to concentrate on what its customers need from the application and how to deliver it most efficiently.

The c-tree Server's client/server architecture allows FSC to maximize performance since database operations take place on the Server machine, thus reducing network I/O common with other databases. Clients access the server only when requesting data and only the results travel across the network, not the entire data search detail. In addition, FairCom's full-featured transaction processing assures that vital data will be preserved even in the face of a catastrophic failure, such as a machine crash or power failure.

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