Query Run
SELECT DISTINCT user_name FROM user WHERE ... 4 months ago
SELECT DISTINCT user_name FROM user WHERE ... 4 months ago
SELECT actor_name, date_created FROM revision WHERE date_created >=... 4 months ago
SELECT username, date_created FROM revision WHERE date_created >=... 4 months ago
SELECT username, date_created FROM users WHERE date_created >=... 4 months ago