• This feature supports B-tree indexes and functional indexes.

    特性支持B -索引功能性索引。

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  • A FOT index is an index that is similar to a B-Tree index, but an FOT index has multiple root nodes and fewer levels. (B-Tree indexes have only one root node and more levels.)

    FOT索引类似B - Tree索引,多个节点较少(B - Tree索引只有一个节点更多的级)。

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  • The result is much flatter B+tree indexes.

    结果相对较为浅的索引

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  • The B-Tree Scanner improves transaction processing for logged databases when rows are deleted from a table with indexes.

    有索引的中删除行时B - TreeScanner有助于改进启用日志的数据库事务处理

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  • Index options like UNIQUE and CLUSTER, and access methods like B-Tree, R-Tree and user-defined access methods can apply to both functional and non-functional indexes.

    诸如uniqueCLUSTER等索引选项以及B - Tree、r - Tree访问方法用户定义的访问方法,可以同时应用函数索引和非函数索引。

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  • Index options like UNIQUE and CLUSTER, and access methods like B-Tree, R-Tree and user-defined access methods can apply to both functional and non-functional indexes.

    诸如uniqueCLUSTER等索引选项以及B - Tree、r - Tree访问方法用户定义的访问方法,可以同时应用函数索引和非函数索引。

    youdao

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