Choose two对象
Which two statements are true about Oracle synonyms?class
A) A synonym can have a synonym.object
B) All private synonym names must be unique in the database.tab
C) Any user can create a PUBLIC synonym.di
D) A synonym can be created on an object in a package.co
E) A synonym has an object number.data
(解析：ab
实验证实能够为同义词建立同义词;
同义词也是 Oracle 的一个对象;
synonym 须要受权才可以建立;
)