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What's the recommended number of columns you Z-order a Delta table by

aladda
Honored Contributor II
Honored Contributor II
 
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Accepted Solutions

aladda
Honored Contributor II
Honored Contributor II

Z-ordering is generally effective on up to 3-4 columns and New clustering algorithm in DBR 7.6 can even go upto 5 columns. However, the key is to Z-order on columns that are typically used in filters/where predicates and joins.

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aladda
Honored Contributor II
Honored Contributor II

Z-ordering is generally effective on up to 3-4 columns and New clustering algorithm in DBR 7.6 can even go upto 5 columns. However, the key is to Z-order on columns that are typically used in filters/where predicates and joins.

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