The number shown in each node is the optimizer's estimate for the cardinality of the underlying data source or operation node.
每一个节点上显示的数字都是优化器对基础数据源或操作节点的基数的估计。
The number shown in each node is the optimizer's estimate for the cardinality of the underlying data source or operation node.
每一个节点上显示的数字都是优化器对基础数据源或操作节点的基数的估计。
应用推荐