Q&A about the site for people who build and repair bicycles, people who train cycling, or commute on bicycles
select Id as PostId,
from Posts p
where (p.Tags like '%c++%' or p.ParentId in (select Id from Posts x where x.Tags like '%elasticsearch%'))
between '12/23/2020 00:00:00' and '06/23/2021 00:00:00'