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katydorjee/sfmc-deduplication-with-row-number-partition.sql

Forked from wvpv/sfmc-deduplication-with-row-number-partition.sql
Created September 14, 2018 17:02
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sfmc-deduplication-with-row-number-partition.sql
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sfmc-deduplication-with-row-number-partition.sql
select
x.emailaddress
, x.subscriberkey
from (
select
w.emailaddress
, w.subscriberkey
, w.insertDate
, row_number() over (partition by w.subscriberkey order by w.insertDate asc) ranking
from Welcome_Trigger w
) x
where x.ranking = 1
and x.insertDate >= convert(date,getDate()-30)
and x.insertDate < convert(date,getDate()-29)
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