When does Oracle9i flag an index as being used in the V$OBJECT_USAGE view？（）<br>A:During a query’s parse time only. <br>B:During a query’s execution time only. <br>C:During any kind of DML statement execution. <br>D:During the execution of an INSERT statement only.

When does Oracle9i flag an index as being used in the V$OBJECT_USAGE view？（）
A:During a query’s parse time only.
B:During a query’s execution time only.
C:During any kind of DML statement execution.
D:During the execution of an INSERT statement only.

出自：Oracle认证

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