You issued the following statement to monitor the usage of the index： SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE； Which view will you query to ensure that the index is being monitored？（）
- A、 INDEX_STATS
- B、 DBA_INDEXES
- C、 DBA_IND_COLUMNS
- D、 V$OBJECT_USAGE
正确答案:D
答案解析:有
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