Answer-first summary for fast verification
Answer: Z-ordering
Z-ordering is a technique used in Delta Lake to colocate related information in the same set of files. By organizing data this way, Delta Lake can more effectively skip irrelevant data during query execution using data skipping statistics, which significantly reduces the amount of data read and improves overall performance.
Author: LeetQuiz Editorial Team
Ultimate access to all questions.
Which Delta Lake optimization technique improves query performance by physically organizing related information within the same files to minimize the volume of data scanned?
A
Partitioning
B
Caching
C
Z-ordering
D
Bloom filters
No comments yet.