【071题库】最新OCP-071考试题库解析-第35题
071考试是OCP考试科目的一种,由于071考题多变,我们专门收集整理了最新的考试题库,并对这些考题进行讲解,希望可以帮助广大考生。
每周五晚8点,我们有免费的OCP解析公开课,地址:https://ke.qq.com/course/326223 OCP题库交流群:1015267481,验证ocp
-------------------------------------------------------
071题库-第35题、choose the best answer:
View the Exhibit and examine the structure of the ORDERS table.
Which UPDATE statement is valid?
A) UPDATE orders
SET order_date = '12-mar-2007'
AND order_total = TO_NUMBER(NULL)
WHERE order_id = 2455;
B) UPDATE orders
SET order_date = '12-mar-2007',
order_total = NULL
WHERE order_id = 2455;
C) UPDATE orders
SET order_date = TO DATE('12-mar-2007','dd-mon-yyyy'),
SET order_total = TO NUMBER(NULL)
WHERE order_id = 2455;
D) UPDATE orders
SET order_date = '12-mar-2007',
order_total IS NULL
WHERE order_id = 2455;
Answer:D
(解析:注意语法)
-
标签错误:<!-- #Label#
labelId=20160707140604
moduleId=1
classId=12231768634
orderby=2
fields=url,title,u_info
attribute=
datatypeId=22192428132
recordCount=3
pageSize=
<htmlTemplate><dt><img src="/images/index_26${index}.jpg" width="100" height="62" /><a href="$url" title="${title}">${title}</a><span>${api.left(u_info,60)}</span></dt></htmlTemplate>
-->
- 我要参加技术沙龙