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