A.SELECT Product Name AS’產(chǎn)品的名稱’,Unit Price AS’單價’FROM Products
B.SELECT Product Name=產(chǎn)品的名稱,Unit Price=單價FROM Products
C.SELECT Product Name=“產(chǎn)品的名稱”,Uni tPrice=“單價”FROM Products
D.SELECT Product Name’產(chǎn)品的名稱’,Unit Price’單價’FROM Products