The indexes that exist on a table, including the columns that they index, whether they are ascending or descending, and whether they are clustered.

存在于表上的索引，包括它们索引的列，哪些是升序或降序的，以及哪些是群集的。

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Both can specify an index operator class and both can be sorted in ascending or descending order.

这两种索引都可以指定索引操作符类并按照降序或升序排列。

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If you could walk through the entries in an index, you would see that they are in order, usually ascending, but since 8i, descending also works.

如果你深入一个索引的各项，会看到他们是有序的，通常升序，但从8i开始，也可以降序。

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For each column you select, indicate whether the index arranges values of this column in ascending or descending order.

针对每个选取的资料行，指示索引是要以递增或递减顺序排列此资料行的值。

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For each column you select, indicate whether the index arranges values of this column in ascending or descending order.

针对每个选取的资料行，指示索引是要以递增或递减顺序排列此资料行的值。

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