oracle:
select substring(ODSTR,1,6),sum(cost) as cost from 'yyy'
group by substring(ODSTR,1,6);
sql server;
select substr(ODSTR,1,6),sum(cost) as cost from 'yyy'
group by substr(ODSTR,1,6)
select substring(ODSTR,1,6),sum(cost) as cost from 'yyy'
group by substring(ODSTR,1,6);
sql server;
select substr(ODSTR,1,6),sum(cost) as cost from 'yyy'
group by substr(ODSTR,1,6)
解决方案 »
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