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SELECT *
FROM B_ZKY_PTJC_RIZHI O
WHERE O.Shijian BETWEEN
TO_DATE('2018-06-01 08:30', 'yyyy-mm-dd hh24:mi') AND
TO_DATE('2018-06-10 23:00', 'yyyy-mm-dd hh24:mi')
AND TO_CHAR(O.Shijian, 'hh24:mi:ss') BETWEEN '08:30:00' AND
'23:00:00'
FROM B_ZKY_PTJC_RIZHI O
WHERE O.Shijian BETWEEN
TO_DATE('2018-06-01 08:30', 'yyyy-mm-dd hh24:mi') AND
TO_DATE('2018-06-10 23:00', 'yyyy-mm-dd hh24:mi')
AND TO_CHAR(O.Shijian, 'hh24:mi:ss') BETWEEN '08:30:00' AND
'23:00:00'