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Posted to dev@shardingsphere.apache.org by "zhubowei1992@foxmail.com" <zh...@foxmail.com> on 2022/10/28 10:45:10 UTC

关联表查询

有两个数据库
数据库db_user：下有t_user表  
数据库db_order ：下有t_order表，表中有个user_id字段存储的是t_user的主键值
请问这两个能进行关联查询吗????比如 
select * from db_user.t_user  u 
     left join  db_order.t_order o  
    on u.id = o.user_id



zhubowei1992@foxmail.com