For academic purposes one of the most popular relational databases (database servers) is the miniSQL Server from Hughes Technologies, Australia.
Though it only provides a subset of ISO/ANSI SQL (a kind of SQL light since it tries to cover the whole range of everyday uses) is free of charge for universities and researchers. For EAGLET development purposes, miniSQL is suitable; however, for dissemination in an industrial context this software is clearly not suitble; it may be necessary to design the EAGLET database relation for importing into other relational database environments. However, distributed use of a central EAGLET database via the WWW has several advantages, centered on the version integrity criterion: rather than maintaining several copies of the database, a single copy accessible via the web provides a straightforward guarantee of authenticity and version integrity simply by means of token-identity at the central server for all clients.
In its latest distribution miniSQL is shipped with an interface script language - called lite - for World Wide Web(WWW) connectivity. This enables the database developer to use the WWW as a infrastructure for database interface, for use of regular WWW browsers can act as an plattform independend front end application. This use supports the version integrity criterion.
The use of a single server for a multi-user multi-query system can affect performance. The effects depend on actual demand and can only be empirically determined in the case of EAGLET.