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Mr--John-Doe/sql_tuning__distinct__duplicate_query.sql

Last active March 24, 2022 09:15
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sql_tuning__distinct__duplicate_query.sql
WITH first_user_login AS (
SELECT user, MIN(login_ts) AS min_date
FROM logins
GROUP BY 1
)
SELECT user, platform as first_login_platform, ...
FROM logins
WHERE (user, login_ts) IN (SELECT user, min_date FROM first_user_login)
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