update 更新表 set 字段 = (select 参考数据 from 参考表 where 参考表.id = 更新表.id);
update table_2 m set m.column = (select column from table_1 mp where mp.id= m.id);
方法二:
update table_1 t1,table_2 t2 set t1.column = t2.column where t1.id = t2.pid;
update 更新表 set 字段 = (select 参考数据 from 参考表 where 参考表.id = 更新表.id);
update table_2 m set m.column = (select column from table_1 mp where mp.id= m.id);
方法二:
update table_1 t1,table_2 t2 set t1.column = t2.column where t1.id = t2.pid;