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The GAQM Databricks-Certified-Data-Engineer-Associate certification exam is designed to test the skills and knowledge of data engineers who use Databricks for data processing and analysis. Databricks is a cloud-based data engineering platform that provides an integrated environment for data engineers to collaborate and build data pipelines. Databricks Certified Data Engineer Associate Exam certification exam covers a range of topics related to Databricks, including data ingestion, data transformation, data processing, and data analysis.
The GAQM Databricks-Certified-Data-Engineer-Associate exam is a challenging and comprehensive exam that tests the individual's knowledge of Databricks and their ability to design and implement data-driven solutions. With the right preparation and experience, individuals can successfully pass the exam and earn the Databricks-Certified-Data-Engineer-Associate certification.
The GAQM Databricks-Certified-Data-Engineer-Associate (Databricks Certified Data Engineer Associate) Certification Exam is designed to test the skills of data engineers who work with Databricks to build and maintain data pipelines. Databricks-Certified-Data-Engineer-Associate exam covers a wide range of topics, including data modeling, data ingestion, data transformation, and data analysis. Successful completion of the exam demonstrates that a candidate has the skills and knowledge required to work effectively as a data engineer with Databricks.
NEW QUESTION # 13
A data engineer needs to create a table in Databricks using data from their organization's existing SQLite database.
They run the following command:
Which of the following lines of code fills in the above blank to successfully complete the task?
- A. org.apache.spark.sql.sqlite
- B. org.apache.spark.sql.jdbc
- C. autoloader
- D. sqlite
- E. DELTA
Answer: A
NEW QUESTION # 14
Which of the following describes the relationship between Bronze tables and raw data?
- A. Bronze tables contain raw data with a schema applied.
- B. Bronze tables contain a less refined view of data than raw data.
- C. Bronze tables contain aggregates while raw data is unaggregated.
- D. Bronze tables contain less data than raw data files.
- E. Bronze tables contain more truthful data than raw data.
Answer: C
NEW QUESTION # 15
A data engineer has left the organization. The data team needs to transfer ownership of the data engineer's Delta tables to a new data engineer. The new data engineer is the lead engineer on the data team.
Assuming the original data engineer no longer has access, which of the following individuals must be the one to transfer ownership of the Delta tables in Data Explorer?
- A. This transfer is not possible
- B. Original data engineer
- C. Databricks account representative
- D. Workspace administrator
- E. New lead data engineer
Answer: E
NEW QUESTION # 16
A data engineer has a Job with multiple tasks that runs nightly. Each of the tasks runs slowly because the clusters take a long time to start.
Which of the following actions can the data engineer perform to improve the start up time for the clusters used for the Job?
- A. They can configure the clusters to autoscale for larger data sizes
- B. They can use endpoints available in Databricks SQL
- C. They can use jobs clusters instead of all-purpose clusters
- D. They can use clusters that are from a cluster pool
- E. They can configure the clusters to be single-node
Answer: C
NEW QUESTION # 17
A data engineer is designing a data pipeline. The source system generates files in a shared directory that is also used by other processes. As a result, the files should be kept as is and will accumulate in the directory. The data engineer needs to identify which files are new since the previous run in the pipeline, and set up the pipeline to only ingest those new files with each run.
Which of the following tools can the data engineer use to solve this problem?
- A. Auto Loader
- B. Databricks SQL
- C. Data Explorer
- D. Unity Catalog
- E. Delta Lake
Answer: A
NEW QUESTION # 18
Which of the following describes the relationship between Gold tables and Silver tables?
- A. Gold tables are more likely to contain more data than Silver tables.
- B. Gold tables are more likely to contain truthful data than Silver tables.
- C. Gold tables are more likely to contain a less refined view of data than Silver tables.
- D. Gold tables are more likely to contain aggregations than Silver tables.
- E. Gold tables are more likely to contain valuable data than Silver tables.
Answer: C
NEW QUESTION # 19
Which of the following describes the storage organization of a Delta table?
- A. Delta tables are stored in a collection of files that contain data, history, metadata, and other attributes.
- B. Delta tables are stored in a single file that contains data, history, metadata, and other attributes.
- C. Delta tables are stored in a single file that contains only the data stored within the table.
- D. Delta tables store their data in a single file and all metadata in a collection of files in a separate location.
- E. Delta tables are stored in a collection of files that contain only the data stored within the table.
Answer: A
NEW QUESTION # 20
A single Job runs two notebooks as two separate tasks. A data engineer has noticed that one of the notebooks is running slowly in the Job's current run. The data engineer asks a tech lead for help in identifying why this might be the case.
Which of the following approaches can the tech lead use to identify why the notebook is running slowly as part of the Job?
- A. They can navigate to the Runs tab in the Jobs UI to immediately review the processing notebook.
- B. They can navigate to the Tasks tab in the Jobs UI and click on the active run to review the processing notebook.
- C. There is no way to determine why a Job task is running slowly.
- D. They can navigate to the Runs tab in the Jobs UI and click on the active run to review the processing notebook.
- E. They can navigate to the Tasks tab in the Jobs UI to immediately review the processing notebook.
Answer: D
NEW QUESTION # 21
A new data engineering team team. has been assigned to an ELT project. The new data engineering team will need full privileges on the database customers to fully manage the project.
Which of the following commands can be used to grant full permissions on the database to the new data engineering team?
- A. GRANT ALL PRIVILEGES ON DATABASE customers TO team;
- B. GRANT ALL PRIVILEGES ON DATABASE team TO customers;
- C. GRANT SELECT CREATE MODIFY USAGE PRIVILEGES ON DATABASE customers TO team;
- D. GRANT SELECT PRIVILEGES ON DATABASE customers TO teams;
- E. GRANT USAGE ON DATABASE customers TO team;
Answer: A
NEW QUESTION # 22
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 Production 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?
- A. All datasets will be updated once and the pipeline will shut down. The compute resources will persist to allow for additional testing.
- B. All datasets will be updated once and the pipeline will shut down. The compute resources will be terminated.
- C. All datasets will be updated once and the pipeline will persist without any processing. The compute resources will persist but go unused.
- D. All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will persist to allow for additional testing.
- E. All datasets will be updated at set intervals until the pipeline is shut down. The compute resources will be deployed for the update and terminated when the pipeline is stopped.
Answer: A
NEW QUESTION # 23
A data engineer has realized that they made a mistake when making a daily update to a table. They need to use Delta time travel to restore the table to a version that is 3 days old. However, when the data engineer attempts to time travel to the older version, they are unable to restore the data because the data files have been deleted.
Which of the following explains why the data files are no longer present?
- A. The DELETE HISTORY command was run on the table
- B. The VACUUM command was run on the table
- C. The HISTORY command was run on the table
- D. The OPTIMIZE command was nun on the table
- E. The TIME TRAVEL command was run on the table
Answer: A
NEW QUESTION # 24
Which of the following benefits is provided by the array functions from Spark SQL?
- A. An ability to work with time-related data in specified intervals
- B. An ability to work with complex, nested data ingested from JSON files
- C. An ability to work with data within certain partitions and windows
- D. An ability to work with an array of tables for procedural automation
- E. An ability to work with data in a variety of types at once
Answer: C
NEW QUESTION # 25
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?
- 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
INTERSECT SELECT * from april_transactions; - C. CREATE TABLE all_transactions AS
SELECT * FROM march_transactions
UNION SELECT * FROM april_transactions; - D. CREATE TABLE all_transactions AS
SELECT * FROM march_transactions
MERGE SELECT * FROM april_transactions; - E. CREATE TABLE all_transactions AS
SELECT * FROM march_transactions
OUTER JOIN SELECT * FROM april_transactions;
Answer: C
NEW QUESTION # 26
A new data engineering team has been assigned to work on a project. The team will need access to database customers in order to see what tables already exist. The team has its own group team.
Which of the following commands can be used to grant the necessary permission on the entire database to the new team?
- A. GRANT VIEW ON CATALOG customers TO team;
- B. GRANT USAGE ON DATABASE customers TO team;
- C. GRANT CREATE ON DATABASE team TO customers;
- D. GRANT CREATE ON DATABASE customers TO team;
- E. GRANT USAGE ON CATALOG team TO customers;
Answer: B
NEW QUESTION # 27
Which of the following describes when to use the CREATE STREAMING LIVE TABLE (formerly CREATE INCREMENTAL LIVE TABLE) syntax over the CREATE LIVE TABLE syntax when creating Delta Live Tables (DLT) tables using SQL?
- A. CREATE STREAMING LIVE TABLE should be used when the subsequent step in the DLT pipeline is static.
- B. CREATE STREAMING LIVE TABLE should be used when data needs to be processed incrementally.
- C. CREATE STREAMING LIVE TABLE is redundant for DLT and it does not need to be used.
- D. CREATE STREAMING LIVE TABLE should be used when the previous step in the DLT pipeline is static.
- E. CREATE STREAMING LIVE TABLE should be used when data needs to be processed through complicated aggregations.
Answer: B
NEW QUESTION # 28
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