Which statement is true regarding synonyms?（）<br>A:Synonyms can be created only for a table <br>B:Synonyms are used to reference only those tables that are owned by another user <br>C:A public synonym and a private synonym can exist with the same name for the same table <br>D:The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid

Which statement is true regarding synonyms?（）
A:Synonyms can be created only for a table
B:Synonyms are used to reference only those tables that are owned by another user
C:A public synonym and a private synonym can exist with the same name for the same table
D:The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid

出自：Oracle认证

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