attribute aah! Ûš*item aa uÕ3õš*relation aa , Úš*Žb6 parts aa …Õ3" ›*6 indexes aa !Ûš*store aa ‚Õ3›*supply aa …Õ3›*p aa0¨†l"(LcŽb6 integrities aa! Üš*supplier aa Õ3&ÿš*b6    dept aa ~Õ3þš*protect aa4 Ûš*b6 employee aa |Õ3üš*sale aa xÕ3 øš*b6 tree aax Ûš*6