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06-23-2021 09:26 PM
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06-23-2021 09:28 PM
Stats collected on a Delta column are either using for Partitioning Pruning, Data Skipping. See here - https://docs.databricks.com/delta/optimizations/file-mgmt.html#delta-data-skipping for details
In additional stats are also used for Metadata only queries such as
select min(colA) from table
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06-23-2021 09:28 PM
Stats collected on a Delta column are either using for Partitioning Pruning, Data Skipping. See here - https://docs.databricks.com/delta/optimizations/file-mgmt.html#delta-data-skipping for details
In additional stats are also used for Metadata only queries such as
select min(colA) from table
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