简介:ThispaperappliestherelevantprinciplesandmethodsofSQLdatabaseandExpertSystem,tryingtoresearchthemethodsandtechniquesofcombiningthemanddesignatemplateofproductionexpertsystemthatisbasedonSQLdatabaseanddrivedbythedatabasesoastosimplifythestructureoftheknowledgebasecarriedbydatabase,generatingthesystemmoreconvenientlyandoperatingitmoreeffectively.