text: create table clan
  (
  	uuid VARCHAR(45) not null
  constraint clan_pk
  primary key,
  	tag  VARCHAR(45) not null,
  	name VARCHAR(45) not null
  );
  
  create unique index clan_tag_uindex
  on clan (tag);
  
  create table player
  (
      uuid        char(32)    not null
          constraint player_pk
              primary key,
      name        varchar(45) not null,
      tag         VARCHAR(45) not null,
      phoneNumber VARCHAR(20)
  );
  
  create unique index player_tag_uindex
      on player (tag);
  
  