Alan Gates created HIVE-10459:
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Summary: Add materialized views to Hive
Key: HIVE-10459
URL: https://issues.apache.org/jira/browse/HIVE-10459
Project: Hive
Issue Type: Improvement
Reporter: Alan Gates
Assignee: Alan Gates
Materialized views are useful as ways to store either alternate versions of
data (e.g. same data, different sort order) or derivatives of data sets (e.g.
commonly used aggregates). It is useful to store these as materialized views
rather than as tables because it can give the optimizer the ability to
understand how data sets are related.
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