---每日销售数量（不含运费）
select a.date as '日期',sum(a.je) as '销售额' from (select (productnum*paid) as je,convert(varchar(100),orders.act_time5,23) as date from orders where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59'
union
select (productnum*paid) as je,convert(varchar(100),orders_err.act_time5,23) as date from orders_err where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59') as a group by a.date order by a.date asc
---查询订单数
select a.date as '日期',count(a.goods) as '订单数' from (select distinct goods,convert(varchar(100),orders.act_time5,23) as date from orders where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59'
union
select distinct goods,convert(varchar(100),orders_err.act_time5,23) as date from orders_err where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59') as a group by a.date order by a.date asc
---每日销售额（只算运费）
select a.date as '日期',sum(a.je) as '销售额' from (select distinct goods,actfee as je,convert(varchar(100),orders.act_time5,23) as date from orders where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59'
union
select distinct goods,actfee as je,convert(varchar(100),orders_err.act_time5,23) as date from orders_err where state=5
and act_time5>='2010-02-12 00:01' and act_time5<='2010-02-21 23:59') as a group by a.date order by a.date asc