A、SELECt AVG(Age) FROM Student
B、SELECt MAX(Age) FROM Student
C、SELECt MIN(Age) FROM Student
D、SELECt COUNT(*) FROM Student
正确答案:B
答案解析:略

A、SELECt AVG(Age) FROM Student
B、SELECt MAX(Age) FROM Student
C、SELECt MIN(Age) FROM Student
D、SELECt COUNT(*) FROM Student
正确答案:B
答案解析:略