整点语句
select times, to_char(a.times, 'hh24:mi') ti
from (
select to_date('2020-03-14 ', 'yyyy-mm-dd hh24:mi:ss') +
8 / 24 + (rownum - 1) / 24 times
from dual
connect by level <= 48
) a
结果
半点语句
select times, to_char(a.times, 'hh24:mi') ti
from (
select to_date('2020-03-14 ', 'yyyy-mm-dd hh24:mi:ss') +
8 / 24 + (rownum - 1) / 48 times
from dual
connect by level <= 48
) a
结果
处理的时间间隔 在除数那里设置