text: CREATE TABLE guilds (
    id		TEXT PRIMARY KEY,
    name		TEXT NOT NULL,
    owner_id	TEXT NOT NULL,
    icon		TEXT,
    splash	TEXT
  );
  
  CREATE TABLE guild_last_seen (
    guild_id	TEXT REFERENCES guilds (id),
    last_seen	TIMESTAMP NOT NULL,
  
    UNIQUE (guild_id)
  );
  