select * from order where clientNo in (select distinct(clien
select * from order where clientNo in (select distinct(clien
select * from teacher where s_id in(select s_id from student
SELECT student_id FROM tuition where student_id in ( SELECT
select * from user_info where user_name in (select user_name
select ** from A where A.id in (select id from B where ****)
select distinct id from names where tid = 'AREACODE' And dsc
在SQL语句中USE pubs SELECT DISTINCT title FROM title WHERE price
select distinct A.* from A,B where A.id = B.g_id and A.fwzid
select id,name from student where id in ( select id from sco
select telnum,count(0),count(distinct othertelnum) from nmk.
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