将数据库中已经存在的student表备份在D盘根目录下名为student.xml 文件
A.A. select * from student into outfile 'd:/student.xml' B.B. select * from student into 'd:/student.xml' C.C. select * into outfile 'd:/student.xml' from student D.D. select * into 'd:/student.xml' from student正确答案C
