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If we compute "transactions by user/country" this may well involve a large join between a transactions fact table and a user dim table. If we need to re-do this large join for every query that involves measures from transactions and dimensions from user our ability to interactively query becomes prohibitively slow.
The text was updated successfully, but these errors were encountered:
If we compute "transactions by user/country" this may well involve a large join between a transactions fact table and a user dim table. If we need to re-do this large join for every query that involves measures from transactions and dimensions from user our ability to interactively query becomes prohibitively slow.
The text was updated successfully, but these errors were encountered: