
------解决方案--------------------
SELECT *
FROM Ta A
WHERE EXISTS
(SELECT 1
FROM
(SELECT gid=MIN(GID)+3,gcid
FROM Ta Group By gcid
) B
WHERE A.gcid=b.gcid And A.gid<b.gid
)
SELECT *
FROM Ta A
WHERE EXISTS
(SELECT 1
FROM
(SELECT gid=MIN(GID)+3,gcid
FROM Ta Group By gcid
) B
WHERE A.gcid=b.gcid And A.gid<b.gid
)