System and method for rewriting the basic issues of relational data

摘要

Invention patent: b "system and method for rewriting the basic issues of relational data" d . A system and method for responding to a question of relational database is presented.According to a method of the present invention is a question of database is received.It is then determined if that question can be rewritten in such a way to be able to use a pre computed.In such a way that an answer to the question what is equivalent to an answer to the original question.If the issue can be rewritten, it is determined if the question is what can derive more efficiently the response than the original question.The question which has the answer more efficiently derivative is the question which is used to derive the response.