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You plan to implement a new data warehouse.
You have the following information regarding the data warehouse:
The first data files for the data warehouse will be available in a few days.

Most queries that will be executed against the data warehouse are ad-hoc.

The schemas of data files that will be loaded to the data warehouse change often.

One month after the planned implementation, the data warehouse will contain 15 TB of data.

You need to recommend a database solution to support the planned implementation.
Solution: You recommend an Apache Spark system.
Does this meet the goal?