【071考试题库】OCP-1Z0-071最新考试题库大全-第20题
Oracle 12c的OCP考试考3科,分别是071、062、063,对于这些考题,我们专门有人负责收集整理,并由专业的老师对这些考题进行解析,希望可以帮助想考OCP的同学,这里开始介绍071的题库。
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考试题库-第20题、choose the best answer
View the Exhibit and examine the data in the PROMOTIONS table.
PROMO_BEGIN_DATE is stored in the default date format, dd-mon-rr.
You need to produce a report that provides the name,cost,and start date of all promos
in the POST category that were launched before January 1, 2000.
Which SQL statement would you use?
A) SELECT promo_name, promo_cost, promo_begin_date
FROM promotions
WHERE promo_category LIKE '%post%' AND promo_begin_date < '1-JAN-00';
B) SELECT promo_name, promo_cost, promo_begin_date
FROM promotions
WHERE promo_category = 'post' AND promo_begin_date < '01-01-00';
C) SELECT promo_name, promo_cost, promo_begin_date
FROM promotions
WHERE promo_cost LIKE 'post%' AND promo_begin_date < '01-01-2000';
D) SELECT promo_name, promo_cost, Promo_begin_date
FROM promotions
WHERE promo_category LIKE 'p%' AND promo_begin_date < '1-JANUARY-00';
Answer:A
(解析:因为日期的默认格式是 dd-mon-yy,所以 January 1, 2000 转换成匹配的格式为
01-jan-00
)
精华阅读