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【071考试】最新OCP认证071考试题库整理-第20题

【071考试】最新OCP认证071考试题库整理-第20题

来源:CUUG培训-优技培训    更新时间:2019/5/21 9:55:59    阅读次数:

071考试题库之前是比较稳定的,但随着Oracle的调整,071考试不断的增加新的考题,增加了考试的难度,所以我们专门收集整理了这些考试,并对这些考题进行解析,希望可以对考生有帮助。

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

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071考试-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

)

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