Exam Certified Data Engineer Associate topic 1 question 7 discussion

There is no DELETE HISTORY command in Databricks VACCUM command can remove history and we can also specify the retention period with VACCUM Command. Default Retention period is 7 days. To allow changing the default retention period you can rum the following command ALTER TABLE your_table SET TBLPROPERTIES ('delta.retentionDurationCheck.enabled' = 'true');

Its vacuum

A. The VACUUM command was run on the table The VACUUM command in Delta Lake is used to clean up and remove unnecessary data files that are no longer needed for time travel or query purposes. When you run VACUUM with certain retention settings, it can delete older data files, which might include versions of data that are older than the specified retention period. If the data engineer is unable to restore the table to a version that is 3 days old because the data files have been deleted, it's likely because the VACUUM command was run on the table, removing the older data files as part of data cleanup.

Selected Answer: A A. The VACUUM command was run on the table The VACUUM command in Delta Lake is used to clean up old data files that are no longer needed, which could include files that are older than a certain retention period. If the data engineer is unable to restore data to a version that is 3 days old, it is likely because the VACUUM command has deleted the old data files beyond the retention period.

vacuum command is used to remove the history of the table.

A is the correct answer

There is no DELETE HISTORY command anywhere in Databricks. The VACUUM command removes files older than the value that is set. The default value is 7 days.

A is the good answer

The answer is A!

Answer is A. Just finished exam-got 100% [Databricks Associate Exam Practice Exams] All questions came from Databricks Certified Data Engineer Associate https://www.udemy.com/share/10aEFa3@9M_uT6vrKbnl68tOK96kfy-YWitjwzLTlVCrzPs-0hGUu8fyX8V4Tn_x_y65bwLm/

A is correct

A i correct

I agree with the first post. A is the correct answer. There is no such thing as a Delete History Command

right answer is A

i think B is the answer, plz let me know if not correct

but vaccum allows to vaccum anything that's older than 7 days right

Answer is A Vaccum