Oracle Database Application Developer’s Guide - Expression Filter provides usage and
reference information about Expression Filter, a feature of Oracle Database that
stores, indexes, and evaluates conditional expressions in relational tables.
Application developers and DBAs can save time and labor by using Oracle
Expression Filter to store and evaluate large sets of conditional expressions in the
database. Conditional expressions can describe business rules and interests in
expected data for applications involving personalized information distribution,
demand analysis, and task assignment....