oracle数据库将多条记录合并到一条中显示

场景

将账户表中同一个用户的账户号合并显示在一条记录中
select name, listagg(account_name, ',') within group(order by name) from user_account group by name;

效果图

数据准备

create table user_account(
    id number(12,0) primary key,
    name varchar(50),
    account_name varchar(50),
    balance number(10,2)
);


insert into user_account values(1, 'wangwu', 'wangwuAccount1', 600);
insert into user_account values(2, 'wangwu', 'wangwuAccount2', 400);
insert into user_account values(3, 'lisi', 'lisiAccount1', 200);
insert into user_account values(4, 'lisi', 'lisiAccount2', 1000);
insert into user_account values(5, 'zhangsan', 'zhangsanAccount1', 500);
insert into user_account values(6, 'zhangsan', 'zhangsanAccount2', 500);
insert into user_account values(7, 'zhangsan', 'zhangsanAccount3', 500);

select * from user_account order by id

SQL语句

select name, listagg(account_name, ',') within group(order by name) from user_account group by name;