warehouse_orders
收藏Warehouse Dataset Exploration using SQL
数据集概述
- 数据来源: BigQuery市场。
- 数据集名称: warehouse_orders。
- 数据表:
orderswarehouse
数据表结构
orders 表
- 字段:
warehouse_id- 其他字段未明确列出。
warehouse 表
- 字段:
warehouse_idwarehouse_aliasstatemaximum_capacity
SQL查询示例
去重查询
sql
SELECT DISTINCT warehouse_id
FROM absolute-accord-429300-g1.warehouse_orders.orders;
统计去重后的记录数
sql
SELECT COUNT(DISTINCT warehouse_id)
FROM absolute-accord-429300-g1.warehouse_orders.orders;
条件查询
sql
SELECT *
FROM absolute-accord-429300-g1.warehouse_orders.warehouse
WHERE maximum_capacity > 250;
模糊查询
sql
SELECT warehouse_alias
FROM absolute-accord-429300-g1.warehouse_orders.warehouse
WHERE warehouse_alias LIKE "%Center";
表连接查询
sql
SELECT
orders.*,
warehouse.warehouse_alias,
warehouse.state
FROM absolute-accord-429300-g1.warehouse_orders.orders AS orders
JOIN absolute-accord-429300-g1.warehouse_orders.warehouse AS warehouse
ON orders.warehouse_id = warehouse.warehouse_id;
分组统计
sql
SELECT
state,
COUNT(DISTINCT order_id) as num_orders
FROM absolute-accord-429300-g1.warehouse_orders.orders AS orders
JOIN absolute-accord-429300-g1.warehouse_orders.warehouse AS warehouse
ON orders.warehouse_id = warehouse.warehouse_id
GROUP BY
warehouse.state;




