一条SQL语句的探讨
于之 2003-10-21 09:38:41 select sconh.mattno,sconh.acctno,sconh.idate,scond.uprice,scond.qtycal,scond.artno,article.ctb3,scond.ctb0 from sconh,scond,article where sconh.mattno=scond.mattno and scond.artno=article.artno order by sconh.mattno
请问这样的查询合理吗?有否更好的办法呢?