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ketanbhatt/evaluate_select.sql

Last active October 18, 2019 09:37
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Avoid Joins: Evaluate and Select Query
Raw
evaluate_select.sql
WITH user_ids AS
(SELECT id
FROM user
WHERE account_id IN
(SELECT generate_series(1,1000)))
SELECT purchase.id
FROM purchase
WHERE user_id IN
(SELECT id
FROM user_ids);
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