その単純な。以下のような外側のselectステートメントを書くだけです:
select a.*
from
(SELECT
AGENT
,DATE_1
,ROW_NUMBER() OVER (PARTITION BY AGENT ORDER BY DATE_1) AS COUNT_1
FROM
PROJECT ) a
where a.COUNT_1 = 1 ;
その単純な。以下のような外側のselectステートメントを書くだけです:
select a.*
from
(SELECT
AGENT
,DATE_1
,ROW_NUMBER() OVER (PARTITION BY AGENT ORDER BY DATE_1) AS COUNT_1
FROM
PROJECT ) a
where a.COUNT_1 = 1 ;