CREATE TABLE regions ( id UUID PRIMARY KEY, name TEXT NOT NULL ); CREATE TABLE gamemodes ( id UUID PRIMARY KEY, name TEXT NOT NULL ); CREATE TABLE servers ( id UUID PRIMARY KEY, region_id UUID NOT NULL REFERENCES regions(id) ON DELETE CASCADE, gamemode_id UUID NOT NULL REFERENCES gamemodes(id) ON DELETE CASCADE, app_id INT NOT NULL, name TEXT NOT NULL, map TEXT NOT NULL, players INT, max_players INT );