单选题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_STATSB DBA_INDEXESC DBA_IND_COLUMNSD V$OBJECT_USAGE
单选题
You issued the following statement to monitor the usage of the index: SQL> ALTER INDEX SCOTT.EMP_IDX MONITORING USAGE; Which view will you query to ensure that the index is being monitored?()
A
INDEX_STATS
B
DBA_INDEXES
C
DBA_IND_COLUMNS
D
V$OBJECT_USAGE
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