关于“Exploring an Ecommerce Dataset using SQL in Google BigQuery”的评价

Eric S. · 已于 about 1 year前审核

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Abhishek K. · 已于 about 1 year前审核

Three are a several issues. 1. it asks is the highest visited product also the highest number of orders. the answer is YES, but i was marked wrong because it meant to ask is the product with the highest visitors the most ordered units of a product. 2. practice question 1. uses, productQuantity as a count for add to carts and sum for orders. however that was never defined. Additionally it doesn't call out that ecommerceAction_type =3 is add to cart until way after that question is asked. Same for question number 2, the answer is part of 2b. The practice questions omit information that should be part of the question so that we have a fighting chance of answering it. asking for add to carts and then hiding the data in a type = 3 is just wrong.

Eric L. · 已于 about 1 year前审核

Easy, clear and fast

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