单项选择题
A.SELECT*FROMPersonsWHERELastName>"Adams"ORLastName<"Carter"B.SELECT*FROMPersonsWHERELastName>"Adams"ANDLastName<"Carter"C.SELECT*FROMPersonsWHERELastNameBETWEEN"Adams"AND"Carter"D.SELECTLastName>"Adams"ANDLastName<"Carter"FROMPersons
A.SELECT * FROM Persons WHERE FirstName LIKE 'Thomas' AND LastName LIKE 'Carter'B.SELECT FirstName='Thomas', LastName='Carter' FROM PersonsC.SELECT * FROM Persons WHERE FirstName='Thomas' AND LastName='Carter'D.SELECT * FROM Persons WHERE FirstName='Thomas' OR LastName='Carter'
A、动滑轮B、定滑轮C、从动轮D、绳索