AWS Certified Data Engineer - Associate
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In a data warehousing environment, you are responsible for ensuring the data quality of the data stored in the warehouse. The data includes sales transactions, customer information, and product details. Which of the following techniques should you use to implement data skew mechanisms and improve the performance of the data warehouse?
In a data warehousing environment, you are responsible for ensuring the data quality of the data stored in the warehouse. The data includes sales transactions, customer information, and product details. Which of the following techniques should you use to implement data skew mechanisms and improve the performance of the data warehouse?
Simulated
A
Partition the data based on customer location to distribute the data evenly across the data warehouse.
10.0%
B
Implement a data sampling technique to identify the cause of the data skew and then apply a data skew mechanism to redistribute the data.
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