They are combination query and fuzzy query which use the function of data window enough based on PowerBuilder.

查询是数据库管理系统中不可缺少的功能，所研究的数据查询模式包括组合查询及模糊查询两种。

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According to the physical demand of customers, it is able to implement the free combination query according to different Settings.

根据用户的实际需求，可按不同设定进行自由组合查询。

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Many methods and their applications are studied in the paper based on DataWindow and multi-relation combination query method is designed based on DataWindow.

主要研究基于数据窗口函数查询的多种方法及应用，并设计了基于数据窗口的多关系组合查询方法。

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Responding to a social network query, Brandt quickly amassed a group of 30, a combination of friends, professional acquaintances, the woman who watches her dog, a neighbor down the street, and people she's never met.

WSJ: The new book group? Women form 'Lean In' circles