现有一DBASE数据表 Table1.dbf,想分类汇总统计,
写有一SQL语句
select zhanming,sum(pj),(select sum(pj) from b where a.zhanming=b.zhanming and fs='1')
from table1 a
执行中(select sum(pj) from b where a.zhanming=b.zhanming and fs='1')的结果为空!
请哪位高人能解救一下!
写有一SQL语句
select zhanming,sum(pj),(select sum(pj) from b where a.zhanming=b.zhanming and fs='1')
from table1 a
执行中(select sum(pj) from b where a.zhanming=b.zhanming and fs='1')的结果为空!
请哪位高人能解救一下!
解决方案 »
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