Stephane DUGUET

09/14/2023, 7:40 AM
HI All, I'm wondering if there is any good reason to use primary key in delta tables if we don't care about the unique constraint ? Any performance related benefits ?

Matthew Powers

09/14/2023, 7:35 PM
Primary keys (unique identifiers) can be useful for tasks like deduplication. Not sure how they’d help with performance.
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