
Databricks Certified Data Engineer - Associate
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After resolving the small files problem with optimize, your queries are still slow. The column transactionId, used for filtering, has high cardinality and is auto-incrementing. Which Delta optimization can you enable to effectively filter data based on this column?
After resolving the small files problem with optimize, your queries are still slow. The column transactionId, used for filtering, has high cardinality and is auto-incrementing. Which Delta optimization can you enable to effectively filter data based on this column?
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