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DBMS Estimating Query Cost MCQs
The number of blocks transferred from the disk, along with the number of disks seeks, are used to estimate the cost of a query evaluation plan
3. The number of blocks transferred from the disk, along with the number of disks seeks, are used to estimate the cost of a query evaluation plan.
- Query Estimation Plan
- Query Evaluation Plan
- Query Exemption Plan
- None
Answer: B) Query Evaluation Plan
Explanation:
The number of blocks transferred from the disk, along with the number of disks seeks, are used to estimate the cost of a query evaluation plan.