translate documentation for ontime

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qianmoQ 2020-11-27 19:23:28 +08:00
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# 航班飞行数据 {#hang-ban-fei-xing-shu-ju}
---
toc_priority: 21
toc_title: OnTime
---
# OnTime {#ontime}
航班飞行数据有以下两个方式获取:
- 从原始数据导入
- 下载预处理好的分区数据
- 下载预处理好的数据
## 从原始数据导入 {#cong-yuan-shi-shu-ju-dao-ru}
@ -19,7 +24,7 @@ done
done
```
(引用 https://github.com/Percona-Lab/ontime-airline-performance/blob/master/download.sh )
(参考 https://github.com/Percona-Lab/ontime-airline-performance/blob/master/download.sh )
创建表结构:
@ -157,8 +162,7 @@ $ clickhouse-client --query "select count(*) from datasets.ontime"
```
!!! info "信息"
如果要运行下面的SQL查询必须使用完整的表名
`datasets.ontime`
如果要运行下面的SQL查询必须使用完整的表名`datasets.ontime`。
## 查询: {#cha-xun}
@ -356,7 +360,7 @@ ORDER by rate DESC
LIMIT 1000;
```
奖金:
Bonus:
``` sql
SELECT avg(cnt)
@ -402,3 +406,5 @@ LIMIT 10;
- https://www.percona.com/blog/2014/04/21/using-apache-hadoop-and-impala-together-with-mysql-for-data-analysis/
- https://www.percona.com/blog/2016/01/07/apache-spark-with-air-ontime-performance-data/
- http://nickmakos.blogspot.ru/2012/08/analyzing-air-traffic-performance-with.html
[原始文章](https://clickhouse.tech/docs/en/getting_started/example_datasets/ontime/) <!--hide-->