Information about the table space and index node groups or partitions.
关于表空间和索引节点组或分区的信息。
Get the vulnerability grade of water supply network through index value of the water node.
由用水节点的脆弱性指标值，得到给水管网的脆弱性等级。
On the basis of this index, the status of load on each node is judged.
根据该指标，可以判定各节点机的负载状态。
The number of index internal-node pages that have been read from disk.
已从磁盘读取的索引内部节点页的数量。
The number of index internal-node pages that have been read from disk.
已从磁盘读取的索引内部节点页的数量。
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