Each item contains the attributes of the data or key field.

每个项目都包含数据或键字段的属性。

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Data quality no longer sits on the shelf as a luxury, nice-to-have item; instead, it has become a key operational element for businesses.

数据质量并非华而不实，它已经成为业务的关键操作要素。

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Key-values Stores. The main idea here is using a hash table where there is a unique key and a pointer to a particular item of data.

KV存储的主要思想是一个哈希表，每个item有一个主键和特定的数据值。

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