No Duplicate Team Memberships
Design the memberships table for team participation. It needs id as the primary key, user_id, and team_id; the same pair of user_id and team_id must appear at most once.
Ainult CREATE/ALTER/DROP — lõpus pole vaja SELECT-i.
Logi sisse, et näha esituste ajalugu
Logi sisseLogi sisse, et kasutada AI mentorit
Logi sisseAlgskeemi pole
See ülesanne algab ilma tabeliteta — loo need käsuga CREATE TABLE.