当前位置 博文首页 > 程序员石磊:Oracle多条重复id,查询时间最早的那条
SELECT
T .ticket_id,
ROW_NUMBER () OVER (
PARTITION BY tt.ticket_id
ORDER BY
tt.ACT_START_TIME
) AS GROUP_ID
FROM
T_TICKET T
LEFT JOIN T_TICKET_TASK tt
) ss
WHERE
ss. GROUP_ID = 1
这个问题困扰好久,mark下
cs