标签：launch font rom ref 运行 括号 .net produce sql
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 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.
Answer: C标签：launch font rom ref 运行 括号 .net produce sql
原文地址：http://www.cnblogs.com/clnchanpin/p/6816856.html
