对于下面的存储过程
CREATE PROCEDURE MYP1
@P DATETIME
AS
SELECT StudentName,EntranceTime FROM Student
WHERE EntranceTime=@P
如果在Student 表中查找报道时间为2009-09-10的学生,正确调用存储过程的是:
A.EXEC MYP1 @P= 2009-09-10 B.EXEC MYP1 @P= '2009-09-10' C.EXEC MYP1 '2009-09-10' D.EXEC @P= '2009-09-10'正确答案BC