为了确保优化器选择最佳的查询计划，使内部统计数据保持为最新并且最准确的十分重要。

To ensure that the optimizer selects the best query plan, it is important to keep internal statistics current and accurate.

youdao

为了确保优化器选择最佳的查询计划，使内部统计数据保持为最新并且最准确的十分重要。

To ensure that the optimizer selects the best query plan, it is important to keep internal statistics current and accurate.

youdao