You administer a Microsoft SQL Server database that supports a shopping application.
You need to retrieve a list of customers who live in territories that do not have a sales person.
Which Transact- SQL query or queries should you use? (Each correct answer presents a complete
solution. Choose all that apply.)

A.
SELECT CustomerID FROM Customer
WHERE TerritoryID <> SOME(SELECT TerritoryID FROM Salesperson)

B.
SELECT CustomerID FROM Customer
WHERE TerritoryID <> ALL(SELECT TerritoryID FROM Salesperson)

C.
SELECT CustomerID FROM Customer
WHERE TerritoryID <> ANY(SELECT TerritoryID FROM Salesperson)

D.
SELECT CustomerID FROM Customer
WHERE TerritoryID NOT IN(SELECT TerritoryID FROM Salesperson)