Q&A about the site for people who use Blender to create 3D graphics, animations, or games
select c.PostId, c.Score, c.Text, c.CreationDate from ( select OwnerUserId, MIN(CreationDate) as firstdate from Posts where convert(date, CreationDate) <= convert(date, '2018-09-18') group by OwnerUserID ) as latest inner join Posts as p on p.OwnerUserId = latest.OwnerUserId and p.CreationDate = latest.firstdate inner join Comments as c on c.PostId = p.Id where convert(date, p.CreationDate) >= convert(date, ##Start:string##) AND convert(date, p.CreationDate) <= convert(date, ##End:string##) AND p.PostTypeId = 2