Data Engineering Associate with Databricks Practice Exam

What does the command SET spark.databricks.delta.retentionDurationCheck.enabled do?

1. Enables retention duration checks for data

2. Disables retention duration checks for data

3. Sets the minimum retention time for table snapshots

4. Activates logging for data retention

The correct answer is: Disables retention duration checks for data

The command SET spark.databricks.delta.retentionDurationCheck.enabled is specifically designed to control the behavior of retention duration checks for Delta tables in Databricks. When this command is set to false, it effectively disables the checks that ensure the minimum retention duration for Delta table snapshots is honored. This is particularly useful in scenarios where you want to expedite the removal of older snapshots without succumbing to retention constraints. The correct answer highlights the fact that this command allows users to bypass retention checks, thereby granting them the flexibility to manage their data lifecycle in a way that suits their requirements. Understanding this setting is crucial for data engineers working with Delta Lake, as it directly influences how data retention policies are enforced and can impact data management strategies.