Exams of Oracle . Index Case Summary . The Clustering Factor
Index Case Summary-Indexes
On 24/01/2023 by Robert CorvinoIn my experience, these six cases are the main reasons I find that indexes are not being used. It usually boils down to a case of “They cannot be used—using them would return incorrect results,” or “They should not be used—if they were used, performance would be terrible.” Myth: Space Is Never Reused in an