Velocis is fairly easy to use and understand, but the rdsadm utility is cumbersome and doesn't do justice to the quality of the server. Raima should supply an X windows GUI administration tool with Velocis. UDF use the standard SAG-CLI and are registered by using the SQL create function call. Once registered, UDF can be used like any other SQL function. UDF can be used in conjunction with the SQL check clause to create triggers.
Triggers run on the server whenever a table is changed.
Thus, by using the check clause when tables are created, UDF and built-in functions can be executed automatically on the server. This is a great way to ensure that custom business logic is enforced on your database. The Velocis server can also be customized outside the SQL system with extension modules. EM are essentially the same as user-defined functions but are invoked by clients directly using RPC calls. They are independent of the SQL system.