The Ode object-oriented database provides facilities for associating conslraims and [riggers with ohjecls. Conslrainls and triggers are associated with class (ohjea type) definiti...
ODE is a database system and environment based on the object paradigm. It offers one integrated data model for both database and general purpose manipulation. The database is defi...
While specification languages for integrity constraints for XML data have been considered in the literature, actual technologies and methodologies for checking and maintaining in...
A real-time active database system (RTADBS) has to provide capabilities for timely trigger of timeconstrained transactions and at the same time to process them, concurrently with ...
A very active field of research of Database Management Systems (DBMS) is concerned with an augmentation of DBMS by rules. Passive rules (constraints) were the first to be investig...