在BigQuery中查询某一特定月份的多年数据,可以使用SQL语句来实现。以下是一个示例查询: 代码语言:txt 复制 SELECT * FROM `project.dataset.table` WHERE EXTRACT(MONTH FROM date_column) = 7 AND EXTRACT(YEAR FROM date_column) IN (2020, 2021, 2022) ...
我的问题是用Standard中的一个合适的函数替换MONTH()。我阅读了文档,EXTRACT()似乎是解决方案,但我认为BigQuery中的日期字段是一个字符串,这阻止了它的正常工作。hits.eventInfo.eventAction, ROUND(AVG(hits.product.productPrice/1000000),2) AS avg_price FROM (TABLE_DATE_RANGE([xxx.ga_sessionshits.eventInf...
Step 2:Write an SQL query to aggregate sales data by month. For example: SELECTEXTRACT(MONTHFROMorder_date)ASmonth,SUM(sales_amount)AStotal_salesFROM`owox-analytics.dataset.sales_data`GROUPBYmonthORDERBYmonth; Step 3:Run the query to get the aggregated sales data. Step 4:Once the query resu...
date, amount, AVG(amount)OVER( ORDERBYdate ROWSBETWEEN6PRECEDINGANDCURRENTROW )ASmoving_average FROM sales ORDERBY date; 在这个例子中,AVG(amount)OVER是一个窗口函数,它计算了当前行及其前6行的平均值,从而得到过去7天的移动平均销售额。 1.1.2排名函数示例:计算销售额排名 ...
EXTRACT(MONTHFROMdate_column)ASmonth, other_features FROM `project.dataset.table` 6.1.3特征选择 特征选择是识别和选择对模型预测最有价值的特征的过程。BigQueryML提供了ML.WEIGHTS函数来评估特征的重要性: --示例:使用ML.WEIGHTS评估特征重要性 SELECT ...
1.1.1示例:使用BigQuery执行SQL查询假设我们有一个名为sales的表,其中包含product_id、sale_date和quantity等字段。下面是一个查询示例,用于计算每个月的总销售额:--SQL查询示例:计算每个月的总销售额SELECTEXTRACT(YEARFROMsale_date)ASsale_year,EXTRACT(MONTHFROMsale_date)ASsale_month,...
_last_week) last_week FROM ( SELECT id, date, sales_total, EXTRACT(WEEK FROM entry_date) weeknumber FROM `mydataset.mytable` ) WINDOW rolling_last_week AS ( PARTITION BY id, weeknumber ORDER BY entry_date ROWS BETWEEN 1 PRECEDING AND 1 PRECEDING ) ORDER BY weeknumber, entry_date ...
SELECT EXTRACT(YEAR FROM starttime) AS year, EXTRACT(MONTH FROM starttime) AS month, COUNT(starttime) AS number_one_way FROM `bigquery-public-data.new_york_citibike.citibike_trips` WHERE start_station_name != end_station_name GROUP BY year, month ORDER BY year ASC, month ASC When we ...
DATE_SUB(latest_date, INTERVAL 2 MONTH) ), -- 应用一些转换和过滤 final_table_ext AS ( SELECT CAST(EXTRACT(DAYOFWEEK FROM trip_start_timestamp) AS INT) AS dayofweek, CAST(EXTRACT(HOUR FROM trip_start_timestamp) AS INT) AS hourofday, ...
DATE_ADD( CURRENT_DATE(), INTERVAL -EXTRACT( DAY FROM CURRENT_DATE()) DAY) 这是Google BigQuery 的正确语法。 原文由 jbev 发布,翻译遵循 CC BY-SA 4.0 许可协议 有用 回复 撰写回答 你尚未登录,登录后可以 和开发者交流问题的细节 关注并接收问题和回答的更新提醒 参与内容的编辑和改进,让解决方法...