I have 2 or more base tables representing subtype entities. The records in these are mutually exclusive - no intersection. I want to create a materialized view which represents the supertype entity. Can this be done in Netezza using a UNION ALL in the create of the view?
Can a materialized view in Netezza be created by the union of 2 base tables
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Yes (via a "CREATE VIEW")
In Netezza, a "CREATE MATERIALIZED VIEW" is for a single table.