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create table mytable ( id int, name varchar(20), no varchar(20) ); insert into mytable values (123, 'aaa', '1,2,3'), (124, 'aaa', '4,5,6'), (125, 'aaa', '7,8,9');
Records: 3 Duplicates: 0 Warnings: 0
select min(id) as id, name, group_concat(no ORDER BY id ASC) as no from mytable group by name
id
name
no
123
aaa
1,2,3,4,5,6,7,8,9