declare @sql nvarchar(max) create table #result (site sy...


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declare @sql nvarchar(max)

create table #result (site sysname
                    , hostname sysname
                    , upvotes integer
                    , downvotes integer)

select @sql = N'insert into #result' + STRING_AGG(concat(N'
select ''', name ,N''' as site
     , ''',hostname ,N'''
     , sum(case votetypeid when 2 then 1 else 0 end) 
     , sum(case votetypeid when 3 then 1 else 0 end) 
from ', quotename(name), N'.dbo.votes v
where votetypeid in (2,3)
union all')
from (select convert(nvarchar(max),name) name
    -- , convert(nvarchar(max),sitename)  sitename
    -- , meta
    -- , domain
     ,  concat( 
        -- based on an idea from Glorfindel 
        (case sitename
        WHEN 'Audio' THEN 'video'
        WHEN 'Beer' THEN 'alcohol'
        WHEN 'CogSci' THEN 'psychology'
        WHEN 'Garage' THEN 'mechanics'
        WHEN 'Health' THEN 'medicalsciences'
        WHEN 'Moderators' THEN 'communitybuilding'
        WHEN 'Photography' THEN 'photo'
        WHEN 'Programmers' THEN 'softwareengineering'
        WHEN 'Vegetarian' THEN 'vegetarianism'
        WHEN 'Writers' THEN 'writing'
        WHEN 'Br' THEN 'pt'
        WHEN 'Mathoverflow' THEN concat((meta+'.'), sitename)
        ELSE case when sitename = domain then null else sitename end
        end +'.')
        , (case 
           when sitename <> 'mathoverflow' then (meta+'.') 
           else null 
        , (case 
           when sitename <> 'mathoverflow' then concat((domain + '.'), 'com') 
           else 'net' 
        ) hostname
from (
select name
, case parsename(name,1) 
  when 'Meta' then parsename(name,2)
  else parsename(name,1) 
  end [sitename]
, case parsename(name,1) 
  when 'Meta' then 'meta'
  else null
  end [meta]
  , coalesce(parsename(name,3), parsename(name,2)) [domain]
from sys.databases
where database_id > 5
and (name not like '%.Meta' or name = 'StackExchange.Meta')
) dbs
) dbsall

exec (@sql)

;with nw_votes as 
select rank() over (order by (cast(downvotes as decimal) / upvotes) desc) [place]
     , site
     , upvotes
     , downvotes
     , (cast(downvotes as decimal) / upvotes) as ratio
from #result

select 'Current' [cat]
     , *
from nw_votes
where site =  db_name()
union all
select 'Rest'
     , *
from nw_votes
order by cat, ratio desc

print db_name()

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