联合查询 meaning in English

union query

Union queries can now be displayed in the diagram pane
联合查询现在可以显示在“关系图”窗格中。
On the basis of analyzing above , the author puts forward the method of fusion query based on webservice technology
在此分析的基础上，论文提出了基于web服务的虚拟企业联合查询方案。
Combines the results of two or more queries into a single result set that includes all the rows that belong to all queries in the union
将两个或更多查询的结果合并为单个结果集，该结果集包含联合查询中的所有查询的全部行。