50. SLS is a private synonym for the SH.SALES table. 

The user SH issues the following command: 

DROP SYNONYM sls; 

Which statement is true regarding the above SQL statement?

A. Only the synonym would be dropped. 

B. The synonym would be dropped and the corresponding table would become invalid. 

C. The synonym would be dropped and the packages referring to the synonym would be dropped. 

D. The synonym would be dropped and any PUBLIC synonym with the same name becomes invalid.

 

Answer: A 





题意是SLS是SH.SALES 表的私有同义词。SH用户运行DROP SYNONYM sls; 删除同义词，以下哪个说法是正确的？

DROP SYNONYM sls;仅仅是删除了同义词本身。没有其它不论什么影响。

该题选A