DEA-C01 · Question #99
DEA-C01 Question #99: Real Exam Question with Answer & Explanation
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Question
A data engineer wants to improve the performance of SQL queries in Amazon Athena that run against a sales data table. The data engineer wants to understand the execution plan of a specific SQL statement. The data engineer also wants to see the computational cost of each operation in a SQL query. Which statement does the data engineer need to run to meet these requirements?
Options
- AEXPLAIN SELECT * FROM sales;
- BEXPLAIN ANALYZE FROM sales;
- CEXPLAIN ANALYZE SELECT * FROM sales;
- DEXPLAIN FROM sales;
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