了解sql执行顺序-优化sql-提升执行速度

**7.select 8.distinct (plan) ,name,riskcode ,duty 1. from pandaa a 3. inner join pandab b 2.on a.plan = b.id （至关于 select distinct (plan) ,name,riskcode ,duty from pandaa a,pandab b where a.plan=b.id 只

>>阅读原文<<