Recap - Membership
Part of the Beyond the Basics section of Coddy's SQL journey — lesson 19 of 27.
Challenge
EasyAvailable tables and columns:
<strong>signup_2025</strong>:<strong>user_id</strong><strong>signup_2026</strong>:<strong>user_id</strong>
Return one column user_id containing the IDs of users who signed up in 2025 but not 2026: these are users who didn't renew. Order ascending.
Try it yourself
-- 2025 ids minus 2026 ids