关于“Working with JSON, Arrays, and Structs in BigQuery”的评价

nice

Ashmit S. · 已于 about 2 months前审核

Rohan G. · 已于 about 2 months前审核

Yash G. · 已于 about 2 months前审核

Nice

Arghya B. · 已于 about 2 months前审核

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Quique A. · 已于 about 2 months前审核

nice

Argha D. · 已于 about 2 months前审核

Amol T. · 已于 about 2 months前审核

very good

Safalta K. · 已于 about 2 months前审核

It's a little unclear why the UNNEST() is necessary in correlated cross join. When I ran the queries in the last couple of steps without UNNESTING (simply filtering, grouping and ordering, I still got the correct answer. Similarly, I did UNNEST on step 7 where Cross JOIN was introduced and got the correct answer. It's a strong lab, I think I'd just like to see more about some of the nuanced differences between UNNESTing and CROSS JOINING

Anthony C. · 已于 about 2 months前审核

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JVS T. · 已于 about 2 months前审核