--严格按照秒来计算15分钟的话,应为15 * 60 = 900秒. select m.* from tb m,(select min(time) time from tb) n where mod(((m.time - n.time) * 1440 * 60) ,15*60) = 0--如果只按照分钟来计算,则如下: select m.* from tb m,(select min(time) time from tb) n where mod(((m.time - n.time) * 1440) ,15) = 0
select m.* from tb m,(select min(time) time from tb) n
where mod(((m.time - n.time) * 1440 * 60) ,15*60) = 0--如果只按照分钟来计算,则如下:
select m.* from tb m,(select min(time) time from tb) n
where mod(((m.time - n.time) * 1440) ,15) = 0