What is necessary for your query on an existing view to execute successfully?（）<br>A:The underlying tables must have data.<br>B:You need SELECT privileges on the view.<br>C:The underlying tables must be in the same schema.<br>D:You need SELECT privileges only on the underlying tables.

What is necessary for your query on an existing view to execute successfully?（）
A:The underlying tables must have data.
B:You need SELECT privileges on the view.
C:The underlying tables must be in the same schema.
D:You need SELECT privileges only on the underlying tables.

出自：Oracle认证

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