📜  如何使用 group by postgres 组合 diff colmun 值 - 无论代码示例
📅  最后修改于: 2022-03-11 14:55:24.409000             🧑  作者: Mango
代码示例2
SELECT movie, string_agg(actor, ', ' ORDER BY actor) AS actor_list
FROM tbl
GROUP BY 1;