求一条SQL语句 搞昏了
一张表 就person_ID和project_ID 他们是联合主键
怎么样 根据人员ID 查处他所在project中 的所有人员的ID
[解决办法]
select person_id from table_name where project_id in (
select project_id from table_name where person_id=你给出的值;
)
[解决办法]
有那么晕吗〉赫赫
[解决办法]
select person_id from project where project_id in(select project_id from project where persion_id=值)
[解决办法]
select person_id from project where project_id in(select project_id from project where persion_id=人员ID 值)
[解决办法]
很简单的啊
[解决办法]
是啊不难啊!!!
[解决办法]
select person_id from tablename where project_id =(select project_id from tablename where person_id=***);