OCP-1Z0-051-题目解析-第16题

SQL> SELECT promo_name  q‘{‘s start date was }‘  promo_begin_date                           
AS "Promotion Launches"
FROM promotions;

A. It produces an error because flower braces have been used.
B. It produces an error because the data types are not matching.
C. It executes successfully and introduces an   ‘s at the end of each promo_name in the output.

D. It executes successfully and displays the literal " {‘s start date was } " for each row in the output.