select * from user_info where user_name in (select user_name
select * from user_info where user_name in (select user_name
string sql = "select * from user where user_name='" +t1.Text
select * from teacher where s_id in(select s_id from student
select * from order where clientNo in (select distinct(clien
SELECT student_id FROM tuition where student_id in ( SELECT
select ** from A where A.id in (select id from B where ****)
select id,name from student where id in ( select id from sco
英语翻译select top 4 * from shop_books where anclassid = (select
oracle 子查询:select *,(select account from t_ps_member m where
ms sql :select * from (select *from b) as xxx where 和 select
delete from A where a_id in (select id from B where b_id in
select * into b from a where 11