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Answer: Change Data Feed (CDF)

Change Data Feed (CDF) is a feature in Delta Lake designed to automatically generate CDC feeds. It captures row-level changes, including the data and metadata that indicate whether a row was inserted, deleted, or updated. This functionality is crucial for tracking changes over time within Delta Lake tables. Reference: [Delta Lake Documentation](https://docs.databricks.com/delta/delta-change-data-feed.html)

Author: LeetQuiz Editorial Team

Quick Answer

Answer-first summary for fast verification

Answer: Change Data Feed (CDF)

Author: LeetQuiz Editorial Team

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Which feature of Delta Lake is described as automatically generating CDC (Change Data Capture) feeds for Delta Lake tables?

Real Exam

Auto Optimize

0.9%

Change Data Feed (CDF)

84.8%

Spark Watermarking

1.8%

Slowly Changing Dimension (SCD)

9.8%

Optimized writes

2.7%