Online tool the structure is B / S structure The client only needs to install a browser the server to install Oracle Sybase or SQL server and other databases. The browser interacts with the database via the web server. However desktop tool is C / S. Servers typically use high-performance PCs workstations or minicomputers and use large database systems such as Oracle Sybase or SQL Server. The client needs to install dedicated client software.

For the data load of the application