select coalesce(sum(b.amount * t.goods_price), 0)
from emall_order t,
emall_trade s,
ioss_out_depository a,
ioss_prod_relation_out b
where t.tid = s.tid
and s.status in ('trade_finish', 'wait_buyer_confirm_goods')
and a.relation_num = s.tid
and a.status = 'out_finished'
and b.out_dep_id = a.id
and a.type = 'out_sales'
and t.goods_instance_id = 2685
and a.gmt_out_dep >= to_date('2009-9-11', 'yyyy-MM-dd')
and a.gmt_out_dep < to_date('2009-10-13', 'yyyy-MM-dd') + 1
select * from emall_order
create index IDX_OUT_DEPOSITORY_GMT_OUT_DEP on IOSS_OUT_DEPOSITORY(to_date(GMT_OUT_DEP,'yyyy-MM-dd'));
drop index IDX_OUT_DEPOSITORY_GMT_OUT_DEP
select * from IOSS_OUT_DEPOSITORY
where GMT_OUT_DEP > to_date('2010-10-11','yyyy-mm-dd')
select to_date(gmt_out_dep,'yyyy-mm-dd hh24:mi:ss') from IOSS_OUT_DEPOSITORY
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