如何检索我想用连接编写嵌套查询的数据? 我想从t1
显示first_name
,designation
,并且显示project_name
,col2
来自t2
,其中end_date= (select max(end_date) from project where res_id=?)
;加入嵌套查询
能否请你帮我写SQL查询
select R.first_name, R.Designation, R.DOB, R.DOJ, R.Department,
R.city, p.project_name, p.start_date, p.end_date,
p.end_date+1 as next_avail_date
from resources R full JOIN project p on (r.res_id=p.res_id)
where r.u_id='&u_id';
我想选择基于以下查询
select project_name from project where end_date= (select max(end_date) from project where res_id=1);
如何添加它在上面的查询项目名称?
请显示您的代码。 –
select R.first_name,R.Designation,R.DOB,R.DOJ,R.Department, R.city,p.project_name,p.start_date,p.end_date, p.end_date + 1 as next_avail_date from resources R (r.res_id = p.res_id)其中r.u_id ='&u_id';我想从项目中选择project_name,其中end_date =(从res_id = 1的项目中选择max(end_date)); –