Help SearchResult 1 of 1Content pagesMultimediaEverythingAdvanced Finding all date ranges (which may be open-ended) that overlap with a given range ...vents and their date ranges: <code>events { id, start_date, end_date, … }</code>, where either or both of the dates can be ''null'', how is one to find all [[Category:Code snippets]] ... 5 KB (744 words) - 02:10, 17 August 2016