text: SELECT * 
  FROM customers
  -- LIMIT 3
  
  -- pagination
  -- page 1: 1-3
  -- page 2: 4-6
  -- page 3: 7-9
  -- offset,pick offset means skip those number of records then pick number of records
  -- LIMIT 6, 3
  
  -- exercise: get the top three loyal customers
  ORDER BY points DESC
  LIMIT 0, 3