【ocp-12c】最新Oracle OCP-071考试题库(38题)
38.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_begin_date FROM promotions WHERE promo_category = ‘post‘ AND promo_begin_date < ‘01-01-00‘; C) SELECT promo_name,promo_begin_date FROM promotions WHERE promo_cost LIKE ‘post%‘ AND promo_begin_date < ‘01-01-2000‘; D) SELECT promo_name,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 ) (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |