select distinct 院系编号=substring(stud_id,4,2) from stud_info 是

select * from order where clientNo in (select distinct(clien select distinct id from names where tid = 'AREACODE' And dsc 这句SQL语句是什么意思.ql="select distinct(selabel) from. select distinct A.* from A,B where A.id = B.g_id and A.fwzid select telnum,count(0),count(distinct othertelnum) from nmk. sql如何取交集有这样两条sql语句select distinct id from a where id='123'se select count(distinct b) from X_info where c=1;能放到一个CASE内么 不 英语翻译select top 4 * from shop_books where anclassid = (select vb双引号的问题strSQL = "select * from 表1 where 编号=" & Val(Text5.Te 在SQL语句中USE pubs SELECT DISTINCT title FROM title WHERE price select * from book where 1=1 insert into a select * from b 和select * into a from b 这两个语句是