143.View the Exhibit and examine the structure of the PROMOTIONS table.
2016-03-09 16:25
218 查看
143.View the Exhibit and examine the structure of the PROMOTIONS table.
You have to generate a report that displays the promo name and start date for all promos that started after
the last promo in the 'INTERNET' category.
![](http://img.blog.csdn.net/20160309162455881?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
Which query would give you the required output?
A.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ALL (SELECT MAX(promo_begin_date) FROM promotions )AND
promo_category = 'INTERNET';
B.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date IN (SELECT promo_begin_date
FROM promotions
WHERE promo_category='INTERNET');
C.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ALL (SELECT promo_begin_date
FROM promotions
WHERE promo_category = 'INTERNET');
D.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ANY (SELECT promo_begin_date
FROM promotions
WHERE promo_category = 'INTERNET');
答案:C
解析:题目说是时间在所有的promo_category = 'INTERNET'时间的后面,因此首先排除A(这个promo_category = 'INTERNET'的位置错了)
,B(这个是相等),D(这个不是所有)
You have to generate a report that displays the promo name and start date for all promos that started after
the last promo in the 'INTERNET' category.
Which query would give you the required output?
A.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ALL (SELECT MAX(promo_begin_date) FROM promotions )AND
promo_category = 'INTERNET';
B.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date IN (SELECT promo_begin_date
FROM promotions
WHERE promo_category='INTERNET');
C.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ALL (SELECT promo_begin_date
FROM promotions
WHERE promo_category = 'INTERNET');
D.SELECT promo_name, promo_begin_date FROM promotions
WHERE promo_begin_date > ANY (SELECT promo_begin_date
FROM promotions
WHERE promo_category = 'INTERNET');
答案:C
解析:题目说是时间在所有的promo_category = 'INTERNET'时间的后面,因此首先排除A(这个promo_category = 'INTERNET'的位置错了)
,B(这个是相等),D(这个不是所有)
相关文章推荐
- win10桌面背景为什么突然变黑了 win10桌面背景不显示解决方法
- spark on yarn 配置history server
- Message-oriented middleware
- EditText的功能与用法
- lvs持久性工作原理和配置
- log4j.xml的写法
- 状态模式
- VBA教程初级(五):复杂数组
- 约瑟夫环问题
- 分布式Web服务器架构
- python脚本实现文件夹增量复制
- json常用jar包
- Java虚拟机的类加载机制
- Git
- [网络流24题][CODEVS1237]餐巾计划问题(费用流)
- c++继承与组合
- 论MOBA类游戏五号位的重要性
- 10g RAC的dataguad异常一则
- UI线程安全及Handler消息传递机制
- 成就DBA职业生涯