mysql sql 复杂查询语句

Question

现在有两个表，表一如图所示

表二如图所示

问题是：如何写sql语句，查询表二中字段（m_top_user_list）中包含表一字段（user_id）的数据？谢谢~

Answer 1

select t2.* from t1,t2 where find_in_set(t1.user_id,t2.m_top_user_list)

Answer 2

select * from t2 LEFT JOIN t1 ON t2. m_top_user_list like '%t1. user_id%'