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)
