首先在逻辑上将表与其自身连接,然后将更具有选择性的非起始索引键作为索引绑定过滤器,应用于起始键值的每个惟一的组合。
The table is logically joined to itself, and the more selective non-leading index keys are applied as index bound filters to each unique combination of the leading key values.
首先在逻辑上将表与其自身连接,然后将更具有选择性的非起始索引键作为索引绑定过滤器,应用于起始键值的每个惟一的组合。
The table is logically joined to itself, and the more selective non-leading index keys are applied as index bound filters to each unique combination of the leading key values.
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