例子:使用SQL查询电商数据库,分析过去一年的购买模式,识别高价值客户的共同特征,如”SELECT customer_id, AVG(order_value), COUNT(order_id) FROM orders WHERE order_date > ‘2022-01-01’ GROUP BY customer_id HAVING COUNT(order_id) > 5 ORDER BY AVG(order_value) DESC”。
• 数据科学博客:Towards Data Science、KDnuggets
• 学术期刊:Journal of Data Science、IEEE Transactions on Knowledge and Data Engineering
• 新闻通讯:Data Elixir、Python Weekly
• 播客:Data Skeptic、Linear Digressions