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You are looking for a SQL system to integrate and query both historical and production data.
The data must be organized in complex structures. In particular, it is necessary to store orders and invoices in a denormalized and complete manner with the header and detail within the same structure.
Which of the following products do you choose?

A. Cloud Datastore
B. Cloud Spanner
C. Cloud Bigtable
D. BigQuery

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Correct Answer: D
BigQuery is an OLAP engine. So, it is far better, even if it can manage normalised data and joins, to have denormalized information.

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