Tree index model is to create index in the memory, as the main entrance of the retrieval.

树索引亡储模式从要非树立外亡索引，做为检索的最从要的入口。

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All numeric hash values are stored using the index extension in the DB2-internal B-Tree index.

所有数值型hash值都使用DB 2内部的B -树索引中的索引扩展来存储。

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When creating a foreign key, Informix automatically creates a B-Tree index on the child table when creating a foreign key.

创建一个外键时，Informix 自动地在子表上创建一个 B-Tree 索引。

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The HDI Tree aggregates data in the Human Development Index graphically instead of numerically.

FORBES

Despite lackluster growth and policy paralysis in India, the Wisdom Tree ETF has beat the MSCI Emerging Markets Index, which is up 8.6 percent this year.

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