摘要：create table tb(id int, test 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--1. 创建处理函数CREATE FUNCTION dbo.f_strUnite(@id int)RETURNS varcha 阅读全文