;with customerDups as (
SELECT customer.CUSTOMERID as CUSTOMERID,customer.NAME as NAME,customer.STARTDATE as STARTDATE,
customer.LASTUPDATED as LASTUPDATED,customer.MODIFIEDBY as MODIFIEDBY,
CASE WHEN
customerAttribute.ISMIGRATED is null and customerAttribute.TYPE = 'EDIT'
THEN
'IN-PROGRESS'
ELSE
''
end as STATUS,
CASE WHEN
customer.LOCKEDBYUSER is NULL
THEN
''
WHEN
customer.LOCKEDBYUSER is not NULL
THEN
customer.LOCKEDBYUSER
end as LASTUSER,
ROW_NUMBER() OVER(PARTITION BY customer.CUSTOMERID ORDER BY customer.CUSTOMERID) as customerRank
from
LM.Customer customer
LEFT OUTER JOIN LM.CUSTOMER_ATTRIBUTE customerAttribute
ON customer.CUSTOMERID = customerAttribute.CUSTOMERID
WHERE customer.ISACTIVE='T'
)
DELETE FROM customerDups where customerRank > 1;
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