You may also need to design indexes to avoid data sort and to provide index only access.

您也许还要设计索引以避免数据排序并提供只带索引的访问。

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An index only scan is an index access that is not followed by a table access because the index itself contains all the requested data.

仅扫描索引是未包含表访问的索引访问，因为索引本身包含了所有被请求的数据。

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There is no FETCH or table node shown in the access path graph because it is an index-only scan.

因为其是一个唯一索引扫描，所以在访问路径图中不显示FETCH或表节点。

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As we've seen systematically in the don't-takes, the only thing that gets changed is the index.

当我们系统的看这些,不应该装的物品时，唯一改变的是索引值。

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It's really a technology initiative that's aimed to index the "dark" web or the hidden web, because according to computer scientists, right now the conditional search engines only index about 1% of the information on the Internet.

这是一项,致力于将暗网,或隐藏网页纳入索引的技术创新，根据计算机科学家的统计，条件式的搜索引擎只将,互联网上1%的信息纳入了索引。

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