Logical Plan

<answer {<ticker T> <as_of A> <last C> <volume V> <p_e P>}> :- company(N, “Oracle”)@dbcns & <quote {<ticker T> <as_of A> <last C> <p_e P>}>@smqs & <quote {<ticker T><volume V>}>@dbcqs & <N entry {<ticker T>}>@dbcns