【071题库】最新OCP-071考试题库解析-第32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32题、choose the best answer:
Examine the structure of the BOOKS_TRANSACTIONS table.
You want to update this table such that BOOK_ID is set to 'INVALID' for all rows where no MEMBER_ID has been entered.
Examine this partial SQL statement:
SQL> UPDATE books_transactions
SET book_id = 'INVALID'
WHERE...............
Which condition must be used in the WHERE clause to perform the required update?
A) MEMBER_ID = "";
B) MEMBER_ID IS NULL;
C) MEMBER_ID = NULL;
D) MEMBER_ID = '';
Answer：B
(解析：该题的题眼在“where no MEMBER_ID has been entered”)
-
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
