[Jan 30, 2026] Today Updated Databricks-Certified-Data-Engineer-Associate Exam Dumps Actual Questions [Q27-Q51]

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[Jan 30, 2026] Today Updated Databricks-Certified-Data-Engineer-Associate Exam Dumps Actual Questions

Databricks-Certified-Data-Engineer-Associate exam dumps with real Databricks questions and answers

The GAQM Databricks-Certified-Data-Engineer-Associate (Databricks Certified Data Engineer Associate) Certification Exam is a highly sought-after certification for professionals who want to validate their skills and knowledge in data engineering. Databricks-Certified-Data-Engineer-Associate exam is designed to test the candidate’s ability to work with data engineering tools and technologies, including Apache Spark, Apache Hadoop, and Databricks.

NO.27 A data engineer that is new to using Python needs to create a Python function to add two integers together and return the sum?
Which of the following code blocks can the data engineer use to complete this task?

NO.28 A data engineer has been using a Databricks SQL dashboard to monitor the cleanliness of the input data to an ELT job. The ELT job has its Databricks SQL query that returns the number of input records containing unexpected NULL values. The data engineer wants their entire team to be notified via a messaging webhook whenever this value reaches 100.
Which of the following approaches can the data engineer use to notify their entire team via a messaging webhook whenever the number of NULL values reaches 100?

They can set up an Alert with a custom template.

They can set up an Alert with a new email alert destination.

They can set up an Alert with a new webhook alert destination.

They can set up an Alert with one-time notifications.

They can set up an Alert without notifications.

NO.29 Which of the following is a benefit of the Databricks Lakehouse Platform embracing open source technologies?

Cloud-specific integrations

Simplified governance

Ability to scale storage

Ability to scale workloads

Avoiding vendor lock-in

NO.30 A data engineer is working with two tables. Each of these tables is displayed below in its entirety.

The data engineer runs the following query to join these tables together:

Which of the following will be returned by the above query?

Option A

Option B

Option C

Option D

Option E

NO.31 A Delta Live Table pipeline includes two datasets defined using STREAMING LIVE TABLE. Three datasets are defined against Delta Lake table sources using LIVE TABLE.
The table is configured to run in Development mode using the Continuous Pipeline Mode.
Assuming previously unprocessed data exists and all definitions are valid, what is the expected outcome after clicking Start to update the pipeline?

All datasets will be updated once and the pipeline will shut down. The compute resources will be terminated.

All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will persist until the pipeline is shut down.

All datasets will be updated once and the pipeline will persist without any processing. The compute resources will persist but go unused.

All datasets will be updated once and the pipeline will shut down. The compute resources will persist to allow for additional testing.

All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will persist to allow for additional testing.

NO.32 A data engineer needs to create a table in Databricks using data from a CSV file at location /path/to/csv.
They run the following command:

Which of the following lines of code fills in the above blank to successfully complete the task?

None of these lines of code are needed to successfully complete the task

USING CSV

FROM CSV

USING DELTA

FROM “path/to/csv”

NO.33 A data engineer needs to create a table in Databricks using data from a CSV file at location /path/to/csv.
They run the following command:

Which of the following lines of code fills in the above blank to successfully complete the task?

None of these lines of code are needed to successfully complete the task

USING CSV

FROM CSV

USING DELTA

FROM “path/to/csv”

NO.34 Which of the following describes a benefit of creating an external table from Parquet rather than CSV when using a CREATE TABLE AS SELECT statement?

Parquet files can be partitioned

CREATE TABLE AS SELECT statements cannot be used on files

Parquet files have a well-defined schema

Parquet files have the ability to be optimized

Parquet files will become Delta tables

NO.35 A data engineer has created a new database using the following command:
CREATE DATABASE IF NOT EXISTS customer360;
In which of the following locations will the customer360 database be located?

dbfs:/user/hive/database/customer360

dbfs:/user/hive/warehouse

dbfs:/user/hive/customer360

More information is needed to determine the correct response

NO.36 A data architect has determined that a table of the following format is necessary:
Which of the following code blocks uses SQL DDL commands to create an empty Delta table in the above format regardless of whether a table already exists with this name?

Option A

Option B

Option C

Option D

Option E

NO.37 Which of the following must be specified when creating a new Delta Live Tables pipeline?

A key-value pair configuration

The preferred DBU/hour cost

A path to cloud storage location for the written data

A location of a target database for the written data

At least one notebook library to be executed

NO.38 A data engineer wants to create a new table containing the names of customers that live in France.
They have written the following command:

A senior data engineer mentions that it is organization policy to include a table property indicating that the new table includes personally identifiable information (PII).
Which of the following lines of code fills in the above blank to successfully complete the task?

There is no way to indicate whether a table contains PII.

“COMMENT PII”

TBLPROPERTIES PII

COMMENT “Contains PII”

PII

NO.39 The Delta transaction log for the ‘students’ tables is shown using the ‘DESCRIBE HISTORY students’ command. A Data Engineer needs to query the table as it existed before the UPDATE operation listed in the log.

Which command should the Data Engineer use to achieve this? (Choose two.)

SELECT * FROM students@v4

SELECT * FROM students TIMESTAMP AS OF ‘2024-04-22T 14:32:47.000+00:00’

SELECT * FROM students FROM HISTORY VERSION AS OF 3

SELECT * FROM students VERSION AS OF 5

SELECT * FROM students TIMESTAMP AS OF ‘2024-04-22T 14:32:58.000+00:00’

NO.40 A dataset has been defined using Delta Live Tables and includes an expectations clause:
CONSTRAINT valid_timestamp EXPECT (timestamp > ‘2020-01-01’) ON VIOLATION DROP ROW What is the expected behavior when a batch of data containing data that violates these constraints is processed?

Records that violate the expectation are dropped from the target dataset and loaded into a quarantine table.

Records that violate the expectation are added to the target dataset and flagged as invalid in a field added to the target dataset.

Records that violate the expectation are dropped from the target dataset and recorded as invalid in the event log.

Records that violate the expectation are added to the target dataset and recorded as invalid in the event log.

Records that violate the expectation cause the job to fail.

NO.41 Which of the following describes a benefit of creating an external table from Parquet rather than CSV when using a CREATE TABLE AS SELECT statement?

Parquet files can be partitioned

CREATE TABLE AS SELECT statements cannot be used on files

Parquet files have a well-defined schema

Parquet files have the ability to be optimized

Parquet files will become Delta tables

NO.42 A data engineering team has noticed that their Databricks SQL queries are running too slowly when they are submitted to a non-running SQL endpoint. The data engineering team wants this issue to be resolved.
Which of the following approaches can the team use to reduce the time it takes to return results in this scenario?

They can turn on the Serverless feature for the SQL endpoint and change the Spot Instance Policy to
“Reliability Optimized.”

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

They can increase the cluster size of the SQL endpoint.

They can turn on the Serverless feature for the SQL endpoint.

They can increase the maximum bound of the SQL endpoint’s scaling range

NO.43 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:
Which line of code should the data engineer use to fill in the blank if the data engineer only wants the query to execute a micro-batch to process data every 5 seconds?

trigger(“5 seconds”)

trigger(continuous=”5 seconds”)

trigger(once=”5 seconds”)

trigger(processingTime=”5 seconds”)

NO.44 A data engineer is attempting to write Python and SQL in the same command cell and is running into an error The engineer thought that it was possible to use a Python variable in a select statement.
Why does the command fail?

Databricks supports multiple languages but only one per notebook.

Databricks supports language interoperability in the same cell but only between Scala and SQL

Databricks supports language interoperability but only if a special character is used.

Databricks supports one language per cell.

NO.45 Which of the following can be used to simplify and unify siloed data architectures that are specialized for specific use cases?

None of these

Data lake

Data warehouse

All of these

Data lakehouse

NO.46 A data engineer wants to create a new table containing the names of customers that live in France.
They have written the following command:

A senior data engineer mentions that it is organization policy to include a table property indicating that the new table includes personally identifiable information (PII).
Which of the following lines of code fills in the above blank to successfully complete the task?

There is no way to indicate whether a table contains PII.

“COMMENT PII”

TBLPROPERTIES PII

COMMENT “Contains PII”

PII

NO.47 A data engineer has a Python notebook in Databricks, but they need to use SQL to accomplish a specific task within a cell. They still want all of the other cells to use Python without making any changes to those cells.
Which of the following describes how the data engineer can use SQL within a cell of their Python notebook?

It is not possible to use SQL in a Python notebook

They can attach the cell to a SQL endpoint rather than a Databricks cluster

They can simply write SQL syntax in the cell

They can add %sql to the first line of the cell

They can change the default language of the notebook to SQL

NO.48 A data engineer needs to determine whether to use the built-in Databricks Notebooks versioning or version their project using Databricks Repos.
Which of the following is an advantage of using Databricks Repos over the Databricks Notebooks versioning?

Databricks Repos automatically saves development progress

Databricks Repos supports the use of multiple branches

Databricks Repos allows users to revert to previous versions of a notebook

Databricks Repos provides the ability to comment on specific changes

Databricks Repos is wholly housed within the Databricks Lakehouse Platform

NO.49 A data engineer is using the following code block as part of a batch ingestion pipeline to read from a composable table:

Which of the following changes needs to be made so this code block will work when the transactions table is a stream source?

Replace predict with a stream-friendly prediction function

Replace schema(schema) with option (“maxFilesPerTrigger”, 1)

Replace “transactions” with the path to the location of the Delta table

Replace format(“delta”) with format(“stream”)

Replace spark.read with spark.readStream

NO.50 Which SQL code snippet will correctly demonstrate a Data Definition Language (DDL) operation used to create a table?

DROP TABLE employees;

INSERT INTO employees (id, name) VALUES (1, ‘Alice’);

CRFATF tabif employees ( id INT, name suing

ALTFR TABIF employees add column salary DECTMA(10,2);

NO.51 A data architect has determined that a table of the following format is necessary:

Which of the following code blocks uses SQL DDL commands to create an empty Delta table in the above format regardless of whether a table already exists with this name?

Option A

Option B

Option C

Option D

Option E

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