SELECT prize_name, WEEK(created_at) AS week_number, COUNT(*) AS total FROM prize_winners GROUP BY prize_name, week_number ORDER BY week_number DESC, total DESC LIMIT 5;
时间: 2024-03-29 13:35:33 浏览: 15
这是一个获取中奖奖品的周排名的 SQL 语句,根据中奖信息表 prize_winners 中的创建时间 created_at 对中奖信息进行分组,并统计每个奖品在每周内的中奖数量,同时按照周数和中奖数量进行降序排列,最后只取前 5 条数据。
具体来说,SELECT 子句中的 prize_name、WEEK(created_at) AS week_number、COUNT(*) AS total 分别表示中奖奖品名称、中奖周数、中奖数量。FROM 子句指定了要从哪个表中获取数据,这里是 prize_winners 表。GROUP BY 子句根据 prize_name 和 week_number 对中奖信息进行分组,以便统计每个奖品在每周内的中奖数量。ORDER BY 子句中的 week_number DESC, total DESC 表示按照周数和中奖数量进行降序排列。最后,LIMIT 5 限制只返回前 5 条数据。
总之,这个 SQL 语句的作用是获取中奖奖品的周排名,以便统计每个奖品在每周内的中奖数量。
相关问题
获取中奖奖品的周排名 月排名 年排名 降序排列 取前5条数据
好的,以下是获取中奖奖品的周排名、月排名、年排名的 SQL 语句,并按照降序排列,取前 5 条数据的语句:
获取周排名的语句:
```
SELECT prize_name, WEEK(created_at) AS week_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, week_number
ORDER BY week_number DESC, total DESC
LIMIT 5;
```
获取月排名的语句:
```
SELECT prize_name, MONTH(created_at) AS month_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, month_number
ORDER BY month_number DESC, total DESC
LIMIT 5;
```
获取年排名的语句:
```
SELECT prize_name, YEAR(created_at) AS year_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, year_number
ORDER BY year_number DESC, total DESC
LIMIT 5;
```
以上语句将会获取中奖奖品的周排名、月排名、年排名,并按照降序排列,取前 5 条数据。请注意,这里假设中奖信息存储在名为 prize_winners 的表中。
sql语句获取中奖奖品的周排名 月排名 年排名 降序排列 取前5条数据
好的,根据你的要求,以下是获取中奖奖品的周排名、月排名、年排名的 SQL 语句,并按照降序排列,取前 5 条数据的语句:
获取周排名的语句:
```
SELECT prize_name, WEEK(created_at) AS week_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, week_number
ORDER BY week_number DESC, total DESC
LIMIT 5;
```
获取月排名的语句:
```
SELECT prize_name, MONTH(created_at) AS month_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, month_number
ORDER BY month_number DESC, total DESC
LIMIT 5;
```
获取年排名的语句:
```
SELECT prize_name, YEAR(created_at) AS year_number, COUNT(*) AS total
FROM prize_winners
GROUP BY prize_name, year_number
ORDER BY year_number DESC, total DESC
LIMIT 5;
```
以上语句将会获取中奖奖品的周排名、月排名、年排名,并按照降序排列,取前 5 条数据。请注意,这里假设中奖信息存储在名为 prize_winners 的表中。