Consider a scenario where a Databricks job has failed due to an unexpected null value in a critical column. Describe the steps you would take to debug this issue, including how you would use Databricks notebooks and logs to identify the root cause.

Simulated

Ignore the error and restart the job without any changes.

0.7%

Check the job configuration and ensure all required columns are non-nullable.

7.4%

Review the job logs, identify the specific task and line of code where the error occurred, and use a notebook to reproduce and fix the issue.

91.6%

Manually update the data to remove null values and rerun the job.

0.3%

Databricks Certified Data Engineer - Associate