select ta.ogr_a,tb.org_platform,ta.org_b from t_assets ta
inner join t_base_org tb on (tb.org_name = ta.org_a)
这个语句只能查询出组织A所在的区域公司
检查一下,关联字段值是否有空格
select ta.org_a,tb.org_platform,ta.org_b,tbo.org_platform from t_assets ta
inner join t_base_org tb on tb.org_name = ta.org_a
left join t_base_org tbo on ta.org_b = tbo.org_name