oldguo-MySQL 8.0 OCP 原题解析-Q21
2021-06-30 本文已影响0人
MySQL_oldguo
Question 21****:
Examine this statement and output:
image.png
You must try to reduce query execution time.
Which two queries should you focus on?
A) QN = 2
B) QN = 5
C) QN = 3
D) QN = 4
E) QN = 1
