OCP-1Z0-新051-61题版本-4

QUESTION NO: 4

See the Exhibit and examine the structure and data in the INVOICE table:

Exhibit:

Which two SQL statements would executes successfully? (Choose two.)

A. SELECT MAX(inv_date),MIN(cust_id) FROM invoice;

B. SELECT MAX(AVG(SYSDATE - inv_date)) FROM invoice;

C. SELECT (AVG(inv_date) FROM invoice;

D. SELECT AVG(inv_date - SYSDATE),AVG(inv)amt) FROM invoice;

Answer: A,D

答案解析：

参考：107：http://blog.csdn.net/rlhua/article/details/11976187