2.8.7
2.8.3
2.8.2
2.8.7
2.8.5
2.8.7
2.8.7
2.8.5
2.6.0
2.8.3
2.6.4
2.6.3
2.8.4
2.8.0
2.6.3
2.8.5
2.8.5
2.8.5
2.6.0
2.8.2
如何根据这些版本的数量提供唯一值版本?
在出口处,我想得到以下内容:
2.8.5 5
2.8.7 4
2.6.0 2
2.6.3 2
2.8.2 2
2.8.3 2
2.8.4 2
2.6.4 1
2.8.0 1
ORDER BY计数唯一版本))
抱歉我的英文不好
答案 0 :(得分:13)
SELECT
version,
COUNT(*) AS num
FROM
my_table
GROUP BY
version
ORDER BY
COUNT(*) DESC
答案 1 :(得分:3)
SELECT version, COUNT(*) FROM tablename
GROUP BY version
ORDER BY COUNT(*) DESC;
或替代语法
SELECT version, COUNT(*) FROM tablename
GROUP BY 1
ORDER BY 2 DESC;
答案 2 :(得分:1)
select version, count(*) from sometable group by version order by count(*) desc;
答案 3 :(得分:-1)
不用担心,你的英语是可以理解的。请在下面找到答案:
> SELECT version, COUNT(version) AS quantity
FROM tablename
GROUP BY version
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上的答案