Describes each data element within the bulk data store, such as source organization, application support, data summary, index, catalog, or digests.

描述批量数据存储中的每个数据元素，例如源组织、应用程序支持、数据汇总、索引、目录或摘要。

youdao

An entry is added to the system catalog to indicate to the query optimizer that such a remote index exists.

一个条目被添加到系统编目中，以向查询优化器表明存在那样的一个远程索引。

youdao

The application displays an index page with a Catalog link.

该应用程序将显示一个具有Catalog链接的索引页面。

youdao