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单选题
When does Oracle9i flag an index as being used in the V$OBJECT_USAGE view？（）
A
During a query’s parse time only.
B
During a query’s execution time only.
C
During any kind of DML statement execution.
D
During the execution of an INSERT statement only.
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更多 “单选题When does Oracle9i flag an index as being used in the V$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.” 相关考题
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单选题在船上应当日落时降下国旗.（）A
We should lower national flag when the sun sets.B
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考题
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考题
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考题
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