Sqlite查询检索项目数

Question

我的sqlite表中有两列，项目和日期。每个日期可能有很多项目。现在我想要取消。项目计数在给定日期范围之间的每个日期。我该怎么办？

Answer 1

SELECT date,
       COUNT(*) AS count
FROM MyTable
WHERE date BETWEEN ? AND ?
GROUP BY date;

Answer 2

尝试这样的事情

SELECT Date,count(*) from Table WHERE date between ... AND ... GROUP BY Date