关于“从 BigQuery 数据中挖掘洞见：实验室挑战赛”的评价

addala a. · 已于 about 2 years前审核

Pushpendra K. · 已于 about 2 years前审核

Karnam Nithin 2. · 已于 about 2 years前审核

task 3 > sub query is not required > you can do the same with "GROUP BY subregion1_name HAVING SUM(cumulative_confirmed) > 3000" task 5 > what's wrong with "min(date) as date"?

Марк К. · 已于 about 2 years前审核

Became incredibly difficult. CTE, windows functions, subqueries, etc were not taught in previous labs so yeah this WAS a challenge. It went from introductory labs to advanced level tests. Too difficult. And there are critical mistakes in the instructions that make it impossible to pass unless you are referring to answers online. Task 8 should be "on" (=) not "upto" (<).

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