It provides a DB2 relational model for the remote data and assists the federated engine in query processing by sending sub-queries to the remote data source.

它提供了远程数据的DB 2关系模型，并通过向远程数据源发送子查询以帮助联邦引擎实现查询处理。

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The Web search engine-style interface used for processing the queries is designed to handle multiple asterisks in the query.

用于处理查询的Web搜索引擎样式的界面专门用于处理查询中的多个星号。

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As a module embedded in reactive power optimization software, the engine performs the key functions of parsing and processing SQL, data access, data organization and query management.

该引擎作为一个模块嵌在无功优化软件中，主要完成解释执行SQL语句、数据存取、数据组织及查询处理等功能。

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