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.
CREATE/ALTER/DROP biss — l-ebda SELECT fl-aħħar mhu meħtieġ.
Idħol biex tara l-istorja tas-sottomissjonijiet
IdħolIdħol biex tuża l-Mentor tal-AI
IdħolL-ebda skema tal-bidu
Dan l-eżerċizzju jibda mingħajr tabelli — toħloqhom permezz ta' CREATE TABLE.