1
我有2个查询,低于该认定每月股票问题总结
QUERY1的平均价格:平均价格为一个月,从上午9:30至下午1:30
QUERY2:平均价格为一个月1.30时至下午2.30
我需要划分的差异和价格变化的百分比
QUERY1
--- 9.30 to 1.30 prices ---
select DATE_FORMAT(transact_time,'%Y %M %d'),sum(price*qty)/sum(qty)
from trades1
where symbol='GREG.N0000'
and transact_time between '2013-01-01' and '2013-01-31'
and DATE_FORMAT(transact_time,'%T') between '09:30:00' and '13:30:00'
group by DATE_FORMAT(transact_time,'%Y %M %d')
QUERY2
--- 1.30 TO 2.30 prices ---
SELECT DATE_FORMAT(transact_time,'%Y %M %d'),SUM(price*qty)/SUM(qty)
FROM trades1
WHERE symbol='GREG.N0000'
AND transact_time BETWEEN '2013-01-01' AND '2013-01-31'
AND DATE_FORMAT(transact_time,'%T') BETWEEN '13:30:00' AND '14:30:00'
GROUP BY DATE_FORMAT(transact_time,'%Y %M %d')
我需要QUERY1的结果,并QUERY2的结果和价格变化的百分比之差。有人请帮助我。
是它的工作原理,对我非常有帮助,非常感谢 – user1793864 2013-03-06 08:21:13
所以,请标记为回答。谢谢,GL! – www 2013-03-06 08:24:34