关于“Optimizing your BigQuery Queries for Performance”的评价

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Igor K. · 已于 over 5 years前审核

Query in Efficient Joins -> Denormalization - shouldn't the new table (london_bicycles_denorm) contain all columns from cycle_hire, since otherwise you will have to join it to cycle_hire on each query (to get duration, date, etc.).

Anton S. · 已于 over 5 years前审核

Unfortunatelly too less time to do this lab

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Very Satisfied

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