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