2018年的OCP 11g题库解析暂告一段落，关于12c的OCP解析公开课正在进行中，课程包括071、062、063三个科目，这里为您带来的是最新版的071考试题库解析，帮大家顺利通过OCP的071考试。
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12.choose the best answer
Evaluate the following query:
SQL> SELECT promo_name || q'{'s start date was \}' || promo_begin_date
AS "Promotion Launches"
FROM promotions;
What would be the outcome of the above query?
A) It produces an error because the data types are not matching.
B) It executes successfully and displays the literal "{'s start date was \} " for each row in the output.
C) It executes successfully and introduces an 's at the end of each promo_name in the output.
D) It produces an error because flower braces have been used.
Answer：B
(执行结果如下：
Promotion Launches
---------------------------------------------------------------
NO PROMOTION #'s start date was \01-1 月 -99
newspaper promotion #16-108's start date was \23-12 月-00
)
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