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Listening Quiz: Báo Cáo Vấn Đề Về Hiệu Suất Truy Vấn Chậm – Easy Level
Th11 5, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà khoa học dữ liệu (English for Data Scientist)
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1.
What is the main topic of Emily and Michael’s conversation?
A complaint about missing data in a report
A review of the company’s monthly budget
A plan to hire more staff for the reporting team
A discussion about improving the speed of slow queries in a data pipeline
Explanation:
They discuss that the data pipeline is running slow because some queries are slow, and they talk about checking and optimizing those queries.
2.
According to Michael, which queries are the slowest?
The ones that remove duplicate records
The ones joining large tables
The ones that send email alerts
The ones that sort data by date
Explanation:
Michael says, ‘The ones joining large tables are the slowest.’
3.
What will Michael do today?
Rewrite the entire data pipeline
Meet with the reporting team
Check the query plans
Ask Emily to run the reports later
Explanation:
Michael says, ‘I will check the query plans today.’
4.
What can be inferred about Emily’s concern?
She is mainly worried that the reports are not being printed
She wants the reporting runs to finish faster
She thinks the queries are already optimized
She believes the data pipeline should be shut down
Explanation:
Emily says, ‘We need faster runs for reporting,’ which shows she wants the reporting runs to finish more quickly.
5.
Why does Emily ask Michael, ‘Can we optimize those queries quickly?’
To offer to write new reports herself
To suggest that the issue should be ignored for now
To confirm that the pipeline has already been fixed
To ask whether the slow queries can be improved soon
Explanation:
Emily asks if they can optimize the slow queries quickly, meaning she wants to know whether the problem can be improved soon.
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