Active database
Encyclopedia
An Active Database is a database
Database
A database is an organized collection of data for one or more purposes, usually in digital form. The data are typically organized to model relevant aspects of reality , in a way that supports processes requiring this information...

 that includes an event driven architecture (often in the form of ECA rules
Event condition action
Event Condition Action is a short-cut for referring to the structure of active rules in event driven architecture and active database systems.Such a rule traditionally consisted of three parts:...

) which can respond to conditions both inside and outside the database. Possible uses include security monitoring, alerting, statistics gathering and authorization.

Most modern relational databases include active database features in the form of SQL Triggers
Database trigger
A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for keeping the integrity of the information on the database...

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