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Vendor: Databricks
Exam Code: DATABRICKS-CERTIFIED-DATA-ENGINEER-ASSOCIATE
Exam Name: Databricks Certified Data Engineer Associate Exam
Certification: Databricks Certification
Total Questions: 87 Q&A
Updated on: Dec 16, 2024
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A data organization leader is upset about the data analysis team's reports being different from the data engineering team's reports. The leader believes the siloed nature of their organization's data engineering and data analysis architectures is to blame.
Which of the following describes how a data lakehouse could alleviate this issue?
A. Both teams would autoscale their work as data size evolves
B. Both teams would use the same source of truth for their work
C. Both teams would reorganize to report to the same department
D. Both teams would be able to collaborate on projects in real-time
E. Both teams would respond more quickly to ad-hoc requests
Which of the following code blocks will remove the rows where the value in column age is greater than 25 from the existing Delta table my_table and save the updated table?
A. SELECT * FROM my_table WHERE age > 25;
B. UPDATE my_table WHERE age > 25;
C. DELETE FROM my_table WHERE age > 25;
D. UPDATE my_table WHERE age <= 25;
E. DELETE FROM my_table WHERE age <= 25;
A data engineer has joined an existing project and they see the following query in the project repository:
CREATE STREAMING LIVE TABLE loyal_customers AS
SELECT customer_id FROM STREAM(LIVE.customers)
WHERE loyalty_level = 'high';
Which of the following describes why the STREAM function is included in the query?
A. The STREAM function is not needed and will cause an error.
B. The table being created is a live table.
C. The customers table is a streaming live table.
D. The customers table is a reference to a Structured Streaming query on a PySpark DataFrame.
E. The data in the customers table has been updated since its last run.
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