101.key

摘要： create table tb(id int, value varchar(10)) insert into tb values(1, 'aa')insert into tb values(1, 'bb')insert into tb values(2, 'aaa')insert into tb values(2, 'bbb')insert into tb values(2, 'ccc')go select id, [values]=stuff((select ','+[value] from tb 阅读全文