有没有办法把它压缩成 2 列？计数（列名）答案

【问题标题】：Is there a way to condense this into 2 columns ? COUNT(column_name)有没有办法把它压缩成 2 列？计数（列名）
【发布时间】：2012-09-26 04:02:56
【问题描述】：

SELECT COUNT(title) AS SH
FROM movies
where genre = 'SH';

SELECT COUNT(title) AS CH
FROM movies
where genre = 'CH';

SELECT COUNT(title) AS ADV
FROM movies
where genre = 'ADV';

SELECT COUNT(title) AS COM
FROM movies
where genre = 'COM';

SELECT COUNT(title) AS DR
FROM movies
where genre = 'DR';

SELECT COUNT(title) AS SF
FROM movies
where genre = 'SF'

【问题讨论】：

压缩成2列是什么意思？

标签： select count where

【解决方案1】：

你的意思是这样吗？

选择流派，计数（标题）从电影按类型分组

【讨论】：

【解决方案2】：

SELECT count(*), genre
FROM movies
GROUP BY genre;

【讨论】：