Data Engineer
Data pipelines and data quality questions
17 questions on Data pipelines and data quality for data engineers, easiest first.
Easy 3
Medium 10
- Incremental load with updated_atmedium
- Upserting into a target tablemedium
- Table state after a MERGEmedium
- Log-based CDC advantagesmedium
- Duplicates from at-least-once deliverymedium
- Surprise runs from catchupmedium
- Filtering new rows in dbtmedium
- Detecting stale source datamedium
- What a data contract doesmedium
- Rerunning a half-failed loadmedium