Databricks Certified Data Engineer - Professional
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Which of the following statements regarding the features and behaviors of Delta Lake is true?
A
Z-ordering is a multi-dimensional clustering technique that is restricted to use with numeric data types only.
B
Delta Lake automatically collects file-level statistics for the first 32 columns defined in a table's schema, which are used for data skipping.
C
Primary and foreign key constraints are strictly enforced by the Delta engine to prevent the insertion of duplicate records into dimension tables.
D
Standard views in the Lakehouse architecture maintain a persistent, up-to-date cache of the source table's data to optimize read performance.