Custom Services

  • Client/Server Applications

    Advent can develop 4th-Dimension database applications in a client-server environment, over your existing Local Area Network, the Internet, standard telephone lines, or by publishing on the World-Wide-Web. The advantages of a 4th-Dimension client-server environment are many.

  • Database access is available to anyone who has access to the Internet or a phone connection, anywhere in the world.
  • Data is maintained in one central location, at the server site. Users and groups can be defined with password-access to the database.
  • Application development and maintenance can occur simultaneously with user access. There is no need for downtime to allow programming changes.
  • Both data and program instructions are kept on the server. Changes in the application code are available immediately to all user clients.
  • Client software is freely distributable after purchase of the server software. Client licenses limit total number of users, not individual users.
  • Server software can serve multiple databases simultaneously, from a single server machine.
  • Clients can access more than one database simultaneously, from a single client machine.
  • Special-purpose applications can be written to provide limited-access clients to use the database.

  • Web Publishing and Internet Tools

    • Your 4th-Dimension database application can be connected to the World-Wide-Web. Data may simply be published on the Web for others to view, or a full-fledged client interface can be developed to allow users to access the database through Netscape, Mosaic, or any other web browser.

    A Web connection can be implemented through your existing Web Server using NetLink/4D from ForeSight Technology. This Common-Gateway Interface application enables communication between the web server and a 4th-Dimension database. A web "hit" is passed along to the database, which formulates a response and returns it to the server for publication.

    The Internet tools can also be used to provide e-mail client services to any 4th-Dimension database. The application can automatically generate e-mail to a customer list, or respond automatically to incoming mail. Other Internet services are available, including "Finger", "ph", and "FTP" file transfers.

  • Systems Integration

    • Advent specializes in integrating systems running on different platforms. We realize that data exchange between systems is usually a necessity, particularly when new desktop PC-based applications must work together with older mini-computer or mainframe systems.

    Some applications are easier to implement with a handheld computer working in conjunction with a PC-based system. Advent can integrate data exchange into our 4th-Dimension database applications, so that communication between the handheld and PC is seamless and transparent to the user.

    Advent has performed this integration with several types of handheld computers.

  • Nippon Denso BHT2000 and BHT5000 handheld computers
    These units incorporate a built-in CCD bar-code scanner and infra-red optical communication. Their largest application is in Point-of-Sale systems.
  • Psion HC Range Handheld Computers
    These units have removable solid state disks and can handle very large numbers of records. A separate handheld bar-code scanner can be used with them to allow scanning for physical inventory and other tracking applications.
    Percon

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