sql 两张表 关联查询答:sqlserver下,表数据 create table a(id int,name varchar(10),note varchar(10))insert into a values (1,'A','AAA')insert into a values (2,'B','BBB')insert into a values (3,'C','CCC')insert into a values (4,'D','DDD')create table b(id int,name varchar(10),[key...