【OCP-12c】CUUG最新考试原题整理及答案(071-11)
11、(5-8) 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”)
【OCP-12c】CUUG最新考试原题整理及答案(071-11)的更多相关文章
- 【OCP-12c】CUUG最新考试原题整理及答案(071-12)
12.(5-12)choose two:Examine the data in the CUSTOMERS table:You want to list all cities that have mo ...
- 【OCP-12c】CUUG最新考试原题整理及答案(071-10)
10.(5-6) choose the best answer:Examine the structure of the EMPLOYEES table:There is a parent/child ...
- 【OCP-12c】CUUG最新考试原题整理及答案(071-9)
9.(5-5) choose the best answerView the Exhibit and examine the structure of the SALES and STORES tab ...
- OCP 12c最新考试原题及答案(071-8)
8.(5-4) choose the best answer:You need to produce a report where each customer's credit limit has b ...
- OCP 12c最新考试原题及答案(071-7)
7.(5-1) choose two:View the Exhibit and examine the structure of the PRODUCTS table.Which two tasks ...
- OCP 12c最新考试原题及答案(071-6)
6.(4-21) choose the best answer: View the Exhibit and examine the structure of the CUSTOMERS table. ...
- OCP 12c最新考试原题及答案(071-5)
5.(4-12) choose two: You executed the following CREATE TABLE statement that resulted in an error: SQ ...
- OCP 12c最新考试原题及答案(071-4)
4.(4-11) choose two:View the Exhibit and examine the data in the PRODUCT_INFORMATION table.Which two ...
- OCP 12c最新考试原题及答案(071-3)
3.(4-10) choose the best answer:The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables iss ...
随机推荐
- linux 确定网卡接口
方法: ifconfig -a 执行一遍:ifconfig -a: 插上网线 接口会 running. 方法:ethtool 执行 # ethtool -p eth0 时,eth0对应的网口的灯就 ...
- slf4j日志框架
- go_函数
函数语法要点 返回值类型写在最后面 可返回多个值 函数可作为参数 没有默认参数,可选参数,只有可变参数列表(...int) package main import ( "fmt" ...
- cdoj31-饭卡(card) (01背包)
http://acm.uestc.edu.cn/#/problem/show/31 饭卡(card) Time Limit: 3000/1000MS (Java/Others) Memory ...
- JLRoute 使用
http://zhoulingyu.com/2016/01/03/iOS%E2%80%94%E2%80%94Scheme%E6%98%AF%E4%BB%80%E4%B9%88%E3%80%81%E6% ...
- ”$-”与shell默认选项
一.前言 之所以整理这篇博客,主要是写Linux环境设置文件 的时候,在查看/etc/profile时看到这么一段代码: for i in /etc/profile.d/*.sh ; do if [ ...
- js运算浮点数
在js中做小数:9.3+0.3会发现,得到的结果并不是9.6,而是9.600000000000001.这是为什么? Javascript采用了IEEE-745浮点数表示法,这是一种二进制表示法,可以精 ...
- mariadb主从备份
mariadb主从备份 master主库配置 停止mariadb systemctl stop mariadb 修改配置文件my.conf vim /etc/my.cnf [mysqld] serve ...
- [GO]结构体指针类型匿名字段
package main import "fmt" type Person struct { name string sex byte age int } type Student ...
- Word文档发布到CSDN博客
目前大部分的博客作者在写博客这件事情上都会遇到以下3个痛点:1.所有博客平台关闭了文档发布接口,用户无法使用Word,Windows Live Writer等工具来发布博客.2.发布到博客或公众号平台 ...