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Q&A for amateur radio enthusiasts

with migrations as (
select postID , 

case
when comment like 'to http://serverfault.com%' then 'severfault'
when comment like 'to http://meta.stackoverflow.com%' then 'meta.so'
when comment like 'to http://superuser.com%' then 'superuser'
when comment like 'to http://dba.stackexchange.com%' then 'dba.se'
when comment like 'to http://programmers.stackexchange.com%' then  'programmers.se'
when comment like 'to http://meta.webapps.stackexchange.com%' then 'meta.webapps'
when comment like 'to http://webmasters.stackexchange.com%' then 'webmasters.se'
end target
, year(creationdate) yr, month(creationDate) m

from postHistory
where  posthistoryTypeid in (17, 35)
)
Select 
count(postID) M_Count,
target,
yr
FROM
migrations
where target is not null
group by 
yr,
target
order by yr, target, count(postID)

fork query

edited apr 28 13 Hydra

created apr 13 12 conradfrix