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.
Díreach CREATE/ALTER/DROP — ní gá SELECT ina dhiaidh sin.
Logáil isteach chun stair na n-aighneachtaí a fheiceáil
Logáil isteachLogáil isteach chun an Meantóir IS a úsáid
Logáil isteachGan scéim tosaithe
Tosaíonn an tasc seo gan táblaí — cruthóidh tú iad le CREATE TABLE.