text: CREATE TABLE INVITES
  (
  	invite_code VARCHAR(20) not null
  		primary key,
  	guild_id BIGINT
  );
  
  CREATE TABLE INVITES_ROLES
  (
  	invite_code VARCHAR(20) not null,
  	roles BIGINT not null,
  	constraint FK_INVITES_ROLES_INVITES
  		foreign key (invite_code) references INVITES (invite_code)
  );
  
  CREATE TABLE SETTINGS
  (
  	guild_id BIGINT not null
  		primary key,
  	language VARCHAR(10) not null,
  	notification_channel BIGINT,
  	notifications BOOLEAN not null
  );
  
  