Databricks
DATABRICKS-CERTIFIED-DATA-ENGINEER-ASSOCIATE · Question #62
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
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Submitted by andres_qro· Apr 18, 2026Data Management
Question
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?
Options
- AThe VACUUM command was run on the table
- BThe TIME TRAVEL command was run on the table
- CThe DELETE HISTORY command was run on the table
- DThe OPTIMIZE command was nun on the table
- EThe HISTORY command was run on the table
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Topics
#Delta Lake#Time Travel#VACUUM command#Data Retention