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Exhibit， error You work as a database administrator for Supportcenter.cn. When you try to connect to the database， you get an error （See exhibit）. What could be the possible reason for getting such an error？（）
A:Database is not open
B:Listener is not running
C:Service name is not correct
D:Wrong port number used in URL
E:Usersysdoes have themediaprivilege

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出自：Oracle认证

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