sql查询，如何增加一列

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select * from (
select ‘finish_order_info‘ as table_name,count(1)as num from fraudorder.finish_order_info where crt_dt between to_date(‘2014-12-24:00:00:00‘,‘yyyy-mm-dd,hh24:mi:ss‘) and to_date(‘2014-12-25:00:00:00‘) group by ‘finish‘ union all
select ‘discard_order_info‘ as table_name, count(1)as num from FRAUDORDER.discard_order_info where crt_dt between to_date(‘2014-12-24:00:00:00‘,‘yyyy-mm-dd,hh24:mi:ss‘) and to_date(‘2014-12-25:00:00:00‘)union all
select ‘raw_air_order_info‘ as table_name, count(1)as num from FRAUDORDER.raw_air_order_info where crt_dt between to_date(‘2014-12-24:00:00:00‘,‘yyyy-mm-dd,hh24:mi:ss‘) and to_date(‘2014-12-25:00:00:00‘)union all
select ‘app_air_order_info‘ as table_name, count(1)as num from FRAUDORDER.app_air_order_info where crt_dt between to_date(‘2014-12-24:00:00:00‘,‘yyyy-mm-dd,hh24:mi:ss‘) and to_date(‘2014-12-25:00:00:00‘)union all
select ‘unkown_order_info‘ as table_name, count(1)as num from FRAUDORDER.unkown_order_info where crt_dt between to_date(‘2014-12-24:00:00:00‘,‘yyyy-mm-dd,hh24:mi:ss‘) and to_date(‘2014-12-25:00:00:00‘)
);

sql查询，如何增加一列

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原文地址：http://www.cnblogs.com/lengfengzhizhe/p/4184485.html