Why do we need concurrency control on B+ trees ?
A. To remove the unwanted data
B. To easily add the index elements
C. To maintain accuracy of index
D. All of the mentioned
Answer:A
Why do we need concurrency control on B+ trees ?
A. To remove the unwanted data B. To easily add the index elements C. To maintain accuracy of index D. All of the mentioned
Explanation: Indices do not have to be treated like other database structures.