sql - sql列出每年出生的人数

Question

我有一个包含两列的表，名称和出生年份（从 1960 年到 1980 年）。如何编写一个列出每年和当年出生人数的单个 sql 查询？就像是：

      Year     Number of people born
      1960     5
      1961     3
      1962     4
      ...      ..
      1980     4

score 2 · Accepted Answer

2

Select Year, Count(*) as 'Number of people born' From SomeTable
GROUP BY Year
ORDER BY Year ASC

于 2013-09-12T03:44:32.670 回答

score 0 · Accepted Answer

0

SELECT YEAROFBIRTH, COUNT(*) FROM YOURTABLE GROUP BY YEAROFBIRTH

于 2013-09-12T03:44:53.707 回答

score 0 · Accepted Answer

你可以试试这段代码：

SELECT MONTH(BIRTHDAY), COUNT(*)
FROM STUDENT
GROUP BY MONTH(BIRTHDAY)

3 回答 3