单选题In your datawarehousing application, you generate reports frequently. The data is static in the tables being used to generate reports. You are currently using joins, resulting in a large performance overhead. What kind of database structure would you
题目
单选题
In your datawarehousing application, you generate reports frequently. The data is static in the tables being used to generate reports. You are currently using joins, resulting in a large performance overhead. What kind of database structure would you use to reduce the response time of the query?()
D
index-organized table (IOT)
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