In plan optimization module, the access path selection and the account method of cost evaluation are discussed in detail.
在计划优化模块中，详细讨论了存取路径的选择和代价评估的计算方法。
In plan optimization module, the access path selection and the account method of cost evaluation are discussed in detail.
在计划优化模块中，详细讨论了存取路径的选择和代价评估的计算方法。
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