1、表结构:
- create table tableName(
- `ID` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID',
- `name` varchar(20) NOT NULL AUTO_INCREMENT COMMENT 'name',
- )
2、插入例子数据:
- insert into tableName values(1, 'one');
- insert into tableName values(2, 'two');
- insert into tableName values(3, '333');
- insert into tableName values(4, 'sisi);
3、用逗号连接列的sql
- select
- GROUP_CONCAT(name) as names
- from tableName
4、结果:
- one,two,333,sisi