title: semantic integrity support in sql : 1999 and commercial ( object - ) relational database management systems michael gertz , can türker vldb j. 2001. authors: nan. venue: nan. year: nan
title: semantics for update rule programs and implementation in a relational database management system louiqa raschid , jorge lobo. authors: nan. venue: acm transactions on database systems ( tods ). year: 1996.0