根据周和年选择数据

Question

我有这个sql：

SELECT YEAR(`end`) as week, WEEK(`end`) as year
FROM table
WHERE week=24 AND year=2016 

但我收到错误Unknown column week in where clause。我做错了什么？请帮帮我。 Thx提前

Answer 1

你不能在where子句中使用别名，试试这个;）

SELECT WEEK(`end`) as week, YEAR(`end`) as year
FROM table
WHERE WEEK(`end`)=24 AND YEAR(`end`)=2016