Choose two對象
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
實驗證實能夠爲同義詞建立同義詞;
同義詞也是 Oracle 的一個對象;
synonym 須要受權纔可以建立;
)