An equivalence rule having the multiset version of the relational algebraic theta-semijoin operator is used in effectuating Constraint Magic rewriting on a computer programming language query having non-equality, as well as equality, predicates. In particular, the rule effectuates Constraint Magic rewriting...http://www.google.nl/patents/US6061676?utm_source=gb-gplus-sharePatent US6061676 - Effecting constraint magic rewriting on a query with the multiset version of the relational algebric theta-semijoin operator
Effecting constraint magic rewriting on a query with the multiset version of ...
