Given the database description below:

Tb$\_$Supplier$($Supp$\_$ID$,$ Name, City$)$

Tb$\_$Consumer$($Con$\_$ID$,$ Name, City$)$

Tb$\_$Product$($Prod$\_$ID$,$ Name, MU$)$

Tb$\_$Offers$($Supp$\_$ID$,$ Prod$\_$ID$,$ Quantity, Price$)$

Tb$\_$Requests$($Con$\_$ID$,$ Prod$\_$ID$,$ Quantity, Price$)$

Tb$\_$Transactions$($T$\_$ID$,$ Supp$\_$ID$,$ Con$\_$ID$,$ Prod$\_$ID$,$ Quantity, Price$)$

Solve the following queries using Except and Intersect:

$1)$ Name of suppliers from Wausau or offering computers or offering oranges?

$2)$ Name of suppliers who do not have an offer?

$3)$ Name of suppliers offering cars and computers?

$4)$ Products nobody purchased in Madison?

$5)$ Cities where neither cars nor computers are offered?

$6)$ Name of suppliers offering only cars and computers?

$7)$ Name of products not offered in Chicago?

$8)$ Name of products offered in Chicago, but not requested in Madison?

$9)$ Name of suppliers that sold only cars and computers and only in Madison?

$10)$ Name of products sold in Chicago, but not requested in Madison?

$11)$ Name of suppliers that sold at most one product type $($do not use the COUNT$()$

function$)?$

$12)$Supplier cities where none of the suppliers has any offers?