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?

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:...

February 22, 2023 No Comments READ MORE +

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.

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...

February 21, 2023 No Comments READ MORE +

Which of the following scenarios is the best fit for AUTO LOADER?

Which of the following scenarios is the best fit for AUTO LOADER?A . Efficiently process new data incrementally from cloud object storage B. Efficiently move data incrementally from one delta table to another delta table C. Incrementally process new data from streaming data sources like Kafka into delta lake D....

February 21, 2023 No Comments READ MORE +

Which of the following SQL statements can be used to update a transactions table, to set a flag on the table from Y to N

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...

February 21, 2023 No Comments READ MORE +

Which of the following describes how Databricks Repos can help facilitate CI/CD workflows on the Databricks Lakehouse Platform?

Which of the following describes how Databricks Repos can help facilitate CI/CD workflows on the Databricks Lakehouse Platform?A . Databricks Repos can facilitate the pull request, review, and approval process before merging branches B. Databricks Repos can merge changes from a secondary Git branch into a main Git branch C....

February 21, 2023 No Comments READ MORE +

You are noticing job cluster is taking 6 to 8 mins to start which is delaying your job to finish on time, what steps you can take to reduce the amount of time cluster startup time

You are noticing job cluster is taking 6 to 8 mins to start which is delaying your job to finish on time, what steps you can take to reduce the amount of time cluster startup timeA . Setup a second job ahead of first job to start the cluster, so...

February 21, 2023 No Comments READ MORE +