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Exam AWS Certified Data Engineer - Associate DEA-C01 topic 1 question 198 discussion

Exam question from Amazon's AWS Certified Data Engineer - Associate DEA-C01
Question #: 198
Topic #: 1
[All AWS Certified Data Engineer - Associate DEA-C01 Questions]

A data engineer created a table named cloudtrail_logs in Amazon Athena to query AWS CloudTrail logs and prepare data for audits. The data engineer needs to write a query to display errors with error codes that have occurred since the beginning of 2024. The query must return the 10 most recent errors.

Which query will meet these requirements?

  • A. select count (*) as TotalEvents, eventname, errorcode, errormessage from cloudtrail_logswhere errorcode is not nulland eventtime >= '2024-01-01T00:00:00Z' group by eventname, errorcode, errormessageorder by TotalEvents desclimit 10;
  • B. select count (*) as TotalEvents, eventname, errorcode, errormessage from cloudtrail_logs where eventtime >= '2024-01-01T00:00:00Z' group by eventname, errorcode, errormessage order by TotalEvents desc limit 10;
  • C. select count (*) as TotalEvents, eventname, errorcode, errormessage from cloudtrail_logswhere eventtime >= '2024-01-01T00:00:00Z' group by eventname, errorcode, errormessageorder by eventname asc limit 10;
  • D. select count (*) as TotalEvents, eventname, errorcode, errormessage from cloudtrail_logs where errorcode is not nulland eventtime >= '2024-01-01T00:00:00Z' group by eventname, errorcode, errormessagelimit 10;
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Suggested Answer: A 🗳️
by 7a1d491 at Dec. 18, 2024, 11:58 a.m.
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A_E_M
2 weeks ago
Selected Answer: B
This is not the same, but it shows the important point. Descending order is the correct answer. SELECT * FROM cloudtrail_logs WHERE eventTime >= '2024-01-01' AND errorCode IS NOT NULL ORDER BY eventTime DESC LIMIT 10;
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