如何使用 group by postgres 组合 diff colmun 值 - SQL 代码示例 - 芒果文档

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📜 如何使用 group by postgres 组合 diff colmun 值 - SQL 代码示例

📅 最后修改于: 2022-03-11 15:05:11.954000 🧑 作者: Mango

代码示例2

SELECT movie, string_agg(actor, ', ' ORDER BY actor) AS actor_list
FROM   tbl
GROUP  BY 1;