关于“在 BigQuery 中使用 JSON、数组和结构体”的评价

Luan Cristopher V. · 已于 over 2 years前审核

Anirban M. · 已于 over 2 years前审核

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Georgios G. · 已于 over 2 years前审核

Renan R. · 已于 over 2 years前审核

I like that there are summary after each section to recap what was learnt. However, for the last few queries, it seems like UNNEST was unnecessary and the same result will still be returned without using UNNEST.

Cherie P. · 已于 over 2 years前审核

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Karthikeyan M. · 已于 over 2 years前审核

The queries with cross joins or commas and unnest can be run without the unnest part. They will work and yield the same result (I think its unnesting under the hood) but they won't count as the right answer in the progress check. Maybe you'd like to add those too

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