Databricks Certified Data Engineer - Professional
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In the context of Delta Lake performance optimization, which of the following best describes what Z-ordering optimizes?
A
It enhances filtering efficiency specifically for partition keys.
B
It improves filtering and query performance for non-partitioned columns by colocating related data within files.
C
It is primarily used to reduce file sizes to increase parallelism across the cluster.
D
It optimizes shuffle operations when joining tables on high-cardinality columns.