In the context of ETL optimization, what is "partition pruning"?
- A method to enhance partition performance
- A process to divide data into smaller partitions
- A strategy to merge partitions
- A technique to eliminate unnecessary partitions
"Partition pruning" in ETL optimization refers to the technique of eliminating unnecessary partitions from the data processing pipeline. By identifying and removing irrelevant partitions, the ETL process becomes more efficient.
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