text: #Query the list of CITY names from STATION that either do not start with vowels or do not end with vowels. Your result cannot contain duplicates.
  
  #Input Format
  
  #The STATION table is described as follows:
  
  
  #Station (table)
  #Field Type
  #ID    Number
  #City   VARCHAR2(21)
  #State VARCHAR2(2)
  #LAT_N NUMBER
  #LONG_W NUMBER
  
  #where LAT_N is the northern latitude and LONG_W is the western longitude.
  
  
  SELECT DISTINCT CITY
  FROM STATION
  WHERE REGEXP_LIKE(UPPER(CITY), '^[^AEIOU]')
     OR REGEXP_LIKE(UPPER(CITY), '[^AEIOU]$');
  