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Databricks-Certified-Data-Engineer-Associate Exam Dumps - Databricks Certification Questions and Answers

Question # 4

A data engineer wants to schedule their Databricks SQL dashboard to refresh once per day, but they only want the associated SQL endpoint to be running when it is necessary.

Which of the following approaches can the data engineer use to minimize the total running time of the SQL endpoint used in the refresh schedule of their dashboard?

Options:

A.

They can ensure the dashboard’s SQL endpoint matches each of the queries’ SQL endpoints.

B.

They can set up the dashboard’s SQL endpoint to be serverless.

C.

They can turn on the Auto Stop feature for the SQL endpoint.

D.

They can reduce the cluster size of the SQL endpoint.

E.

They can ensure the dashboard’s SQL endpoint is not one of the included query’s SQL endpoint.

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Question # 5

A data engineer has configured a Structured Streaming job to read from a table, manipulate the data, and then perform a streaming write into a new table.

The code block used by the data engineer is below:

If the data engineer only wants the query to process all of the available data in as many batches as required, which of the following lines of code should the data engineer use to fill in the blank?

Options:

A.

processingTime(1)

B.

trigger(availableNow=True)

C.

trigger(parallelBatch=True)

D.

trigger(processingTime="once")

E.

trigger(continuous="once")

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Question # 6

Identify a scenario to use an external table.

A Data Engineer needs to create a parquet bronze table and wants to ensure that it gets stored in a specific path in an external location.

Which table can be created in this scenario?

Options:

A.

An external table where the location is pointing to specific path in external location.

B.

An external table where the schema has managed location pointing to specific path in external location.

C.

A managed table where the catalog has managed location pointing to specific path in external location.

D.

A managed table where the location is pointing to specific path in external location.

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Question # 7

Which of the following commands will return the number of null values in the member_id column?

Options:

A.

SELECT count(member_id) FROM my_table;

B.

SELECT count(member_id) - count_null(member_id) FROM my_table;

C.

SELECT count_if(member_id IS NULL) FROM my_table;

D.

SELECT null(member_id) FROM my_table;

E.

SELECT count_null(member_id) FROM my_table;

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Question # 8

A data engineering team has two tables. The first table march_transactions is a collection of all retail transactions in the month of March. The second table april_transactions is a collection of all retail transactions in the month of April. There are no duplicate records between the tables.

Which of the following commands should be run to create a new table all_transactions that contains all records from march_transactions and april_transactions without duplicate records?

Options:

A.

CREATE TABLE all_transactions AS

SELECT * FROM march_transactions

INNER JOIN SELECT * FROM april_transactions;

B.

CREATE TABLE all_transactions AS

SELECT * FROM march_transactions

UNION SELECT * FROM april_transactions;

C.

CREATE TABLE all_transactions AS

SELECT * FROM march_transactions

OUTER JOIN SELECT * FROM april_transactions;

D.

CREATE TABLE all_transactions AS

SELECT * FROM march_transactions

INTERSECT SELECT * from april_transactions;

E.

CREATE TABLE all_transactions AS

SELECT * FROM march_transactions

MERGE SELECT * FROM april_transactions;

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Question # 9

A data engineer wants to schedule their Databricks SQL dashboard to refresh every hour, but they only want the associated SQL endpoint to be running when It is necessary. The dashboard has multiple queries on multiple datasets associated with it. The data that feeds the dashboard is automatically processed using a Databricks Job.

Which approach can the data engineer use to minimize the total running time of the SQL endpoint used in the refresh schedule of their dashboard?

Options:

A.

O They can reduce the cluster size of the SQL endpoint.

B.

Q They can turn on the Auto Stop feature for the SQL endpoint.

C.

O They can set up the dashboard's SQL endpoint to be serverless.

D.

0 They can ensure the dashboard's SQL endpoint matches each of the queries' SQL endpoints.

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Question # 10

Which of the following SQL keywords can be used to convert a table from a long format to a wide format?

Options:

A.

PIVOT

B.

CONVERT

C.

WHERE

D.

TRANSFORM

E.

SUM

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Question # 11

A data engineer needs to use a Delta table as part of a data pipeline, but they do not know if they have the appropriate permissions.

In which location can the data engineer review their permissions on the table?

Options:

A.

Jobs

B.

Dashboards

C.

Catalog Explorer

D.

Repos

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Question # 12

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?

Options:

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

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Question # 13

What is stored in a Databricks customer's cloud account?

Options:

A.

Data

B.

Cluster management metadata

C.

Databricks web application

D.

Notebooks

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Exam Name: Databricks Certified Data Engineer Associate Exam
Last Update: Jul 29, 2025
Questions: 108
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