The fourth column shows the index type (as defined in the schema in Listing 5) used to represent the datum.

第四列将显示用于表示数据的索引类型(按照清单5的模式中的定义)。

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An index is named the same as the corresponding indexed attribute and is always a MapRangeIndex index type.

索引名称与对应的编入索引的属性名称相同，且通常是一种MapRangeIndex索引类型。

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The container's index type.

容器的索引类型。

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Index type (CLUSTERED or NONCLUSTERED) not specified.

(聚集或非聚集)索引类型未指定。

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Index type (CLUSTERED or NONCLUSTERED) not specified.

(聚集或非聚集)索引类型未指定。

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