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1¡¢create table ÁÙʱ±í value (select a.id,a.name,b.name,... from table1 a,table2 b where a.id=b.id)
2¡¢É¾³ýtable1ÖеļǼ£¬²»Òªdrop
3¡¢insert into table1 select ÄãÐèÒªµÄ×ֶΠfrom ÁÙʱ±í¡£
select * from tb_ai03
create table tb_ai031 as select * from tb_ai03
delete  from tb_ai03 a where a.yymm in ('200911','200910')
insert into tb_ai03
select a.model,a.yysal/b.unitestrip as yysal ,a.mmsal/b.unitestrip as mmsal,
a.yychu/b.unitestrip as yychu,a.mmchu/b.unitestrip as mmchu,a.yymm
from tb_ld04 b,tb_ai031 a
where a.model=b.model(+) and a.yymm in ('200911','200910')


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