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You have an Azure Storage account that contains 100 GB of files. The files contain text and numerical values. 75% of the rows contain description data that has an average length of 1.1 MB.
You plan to copy the data from the storage account to an Azure SQL data warehouse.
You need to prepare the files to ensure that the data copies quickly.
Solution: You copy the files to a table that has a columnstore index.
Does this meet the goal?
A . Yes
B . No
Answer: B
Explanation:
Instead modify the files to ensure that each row is less than 1 MB.
References: https://docs.microsoft.com/en-us/azure/sql-data-warehouse/guidance-for-loading-data
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