Understanding Star Schema in Data Warehouse Modelling
Understanding Star Schema in Data Warehouse Modelling
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SOLVED: Your company is implementing a data warehouse using BigQuery and you have been tasked with designing the data model. You moved your on-premises sales data warehouse with a star data schema to BigQuery but noticed performance issues when querying the data of the past 30 days. Based on Google's recommended practices, what should you do to speed up the query without increasing storage costs?A. Denormalize the dataB. Shard the data by customer IDC. Materialize the dimensional data in viewsD.
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