heterogeneous querySave PDFSave selected topicSave selected topic and subtopicsSave all topicsShareShare to emailCopy topic URLLast UpdatedMar 09, 20161 minute readHMI and SCADASystem PlatformHistorian 2023 R2 SP1 P03 A heterogeneous query is a query that accesses data from multiple, dissimilar data sources. Related LinksGlossary