sql 使用 with 获取值计数和百分比 - SQL 代码示例 - 芒果文档

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📜 sql 使用 with 获取值计数和百分比 - SQL 代码示例

📅 最后修改于: 2022-03-11 15:05:30.989000 🧑 作者: Mango

代码示例1

SELECT event, 
       count(event) as event_count,
       count(event) * 100.0 / (select count(*) from event_information) as event_percent
FROM event_information
group by event