Databricks Certified Data Engineer - Professional
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Which of the following statements regarding Delta Lake features and behaviors is true?
A
Delta Lake enforces primary and foreign key constraints to prevent duplicate records and maintain referential integrity within dimension tables.
B
Delta Lake automatically collects statistics on the first 32 columns of each table, which are utilized for data skipping based on query filters.
C
Z-ordering in Delta Lake is a data organization technique that is strictly limited to numeric columns.
D
Standard views in the Lakehouse always maintain an up-to-date, physical cache of the latest versions of their source tables to optimize performance.