-- insert函数
SELECT
id,
( INSERT ( ( SELECT group_concat( realname ) FROM staff_tbl WHERE psn = 'c0c2c19c-9bb4-11e8-9d65-000c2964' ), 3, 2, 'zz' ) ) AS myIdea
FROM
staff_tbl a
GROUP BY
id
结果如下:将boss改成bozz
1 bozz,赵潜,孙黎
2 bozz,赵潜,孙黎
57 bozz,赵潜,孙黎
-- stuff函数
stuff (( SELECT ',' + realname FROM staff_tbl WHERE psn = 'c0c2c19c-9bb4-11e8-9d65-000c2964' FOR XML path ( '' ) ),1,1,'')