Databricks Certified Data Engineer Professional exam

You noticed that colleague is manually copying the notebook with _bkp to store the previous versions, which of the following feature would you recommend instead.A . Databricks notebooks support change tracking and versioning B. Databricks notebooks should be copied to a local machine and setup source control locally to version...

Which of the following statements can be used to test the functionality of code to test number of rows in the table equal to 10 in python? row_count = spark.sql("select count(*) from table").collect()[0][0]A . assert (row_count = 10, "Row count did not match") B. assert if (row_count = 10, "Row...

Which of the following SQL statements can be used to update a transactions table, to set a flag on the table from Y to NA . MODIFY transactions SET active_flag = 'N' WHERE active_flag = 'Y' B. MERGE transactions SET active_flag = 'N' WHERE active_flag = 'Y' C. UPDATE transactions...

Which of the following statements can be used to test the functionality of code to test number of rows in the table equal to 10 in python? row_count = spark.sql("select count(*) from table").collect()[0][0]A . assert (row_count = 10, "Row count did not match") B. assert if (row_count = 10, "Row...

Which of the following type of tasks cannot setup through a job?A . Notebook B. DELTA LIVE PIPELINE C. Spark Submit D. Python E. Databricks SQL Dashboard refreshView AnswerAnswer: E

Which of the following SQL command can be used to insert or update or delete rows based on a condition to check if a row(s) exists?A . MERGE INTO table_name B. COPY INTO table_name C. UPDATE table_name D. INSERT INTO OVERWRITE table_name E. INSERT IF EXISTS table_nameView AnswerAnswer: A Explanation:...

While investigating a data issue in a Delta table, you wanted to review logs to see when and who updated the table, what is the best way to review this data?A . Review event logs in the Workspace B. Run SQL SHOW HISTORY table_name C. Check Databricks SQL Audit logs...

Which of the following data workloads will utilize a Bronze table as its destination?A . A job that aggregates cleaned data to create standard summary statistics B. A job that queries aggregated data to publish key insights into a dashboard C. A job that ingests raw data from a streaming...

Which of the statements are incorrect when choosing between lakehouse and Datawarehouse?A . Lakehouse can have special indexes and caching which are optimized for Machine learning B. Lakehouse cannot serve low query latency with high reliability for BI workloads, only suitable for batch workloads. C. Lakehouse can be accessed through...

You are currently asked to work on building a data pipeline, you have noticed that you are currently working on a very large scale ETL many data dependencies, which of the following tools can be used to address this problem?A . AUTO LOADER B. JOBS and TASKS C. SQL Endpoints...