Câu 92: AWS Certified Data Engineer - Associate DEA-C01

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?

1. A. EXPLAIN SELECT * FROM sales;
2. B. EXPLAIN ANALYZE FROM sales;
3. C. EXPLAIN ANALYZE SELECT * FROM sales; — đáp án hiện tại
4. D. EXPLAIN FROM sales;