SELECT *
FROM table_name AS OF TIMESTAMP TO_TIMESTAMP('2016-06-17 16:00:00', 'YYYY-MM-DD HH24:MI:SS')
WHERE XQID='20160219-133933-03263723'
and XSID='440106200012311810'
SELECT *
FROM table_name AS OF TIMESTAMP sysdate -62/1440//62分钟前的数据
WHERE XQID='20160219-133933-03263723'
and XSID='440106200012311810' order by rqxx desc