Write a query to get a full list of products, including products that have no sales, by performing a full outer join between product\_dim and sales\_fact.
Write a query to get a full list of products, including products that have no sales, by performing a full outer join between product\_dim and sales\_fact.
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: hard
标签: intellipaat, sql, topic-specific, sql, database
参考答案摘要
-- Return all products, including those with no sales SELECT p.product_id, p.product_name, COALESCE(SUM(s.sale_amount), 0) AS total_sales FROM product_dim p LEFT JOIN sales_fact s ON p.product_id = s....
答题技巧
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