Databricks Certified Data Engineer Professional DATA-ENGINEER-PROFESSIONAL — Question 17

The correct answer is B. Option B: Delta Lake automatically collects statistics on the first 32 columns of each table which are leveraged in data skipping based on query filters.

Explanation

Delta Lake adds ACID transactions, schema enforcement, time travel, and reliable batch and streaming operations to a data lake. Retrieval-augmented generation grounds model responses in retrieved enterprise data to improve relevance and reduce unsupported claims.