Give Column An Alias

-- Create a table called SUPERHEROES.
CREATE OR REPLACE TABLE SUPERHEROES (
  -- Column called ID allowing up to five characters
  "ID" VARCHAR (5), 
  -- Column called NAME allowing up to 100 characters
  "NAME" VARCHAR(100),
  -- Column called ALTER_EGO allowing up to 100 characters
  "ALTER_EGO" VARCHAR(100),
  -- Column called BANK_BALANCE allowing 38 digits with 2 after the decimal point
  "BANK_BALANCE" NUMBER(38, 2),
  -- Column called AGE allowing 3 digits with 0 after the decimal point
  "AGE" NUMBER(3, 0)
);

-- Insert rows into SUPERHEROES
INSERT INTO SUPERHEROES 
    -- With the values
    VALUES
    ('XF6K4', 'Chris Maki', 'The Bomber', '-100.20', '14'),
    ('KDEJ4', 'Rich Richardson', 'Mr. Money', '233.20', '12'),
    ('KD5SK', 'Donny Mav', 'Nuke Miner', '200.30', '59');

-- Select... 
SELECT 
-- the NAME column from the table, call it REAL_NAME
NAME AS REAL_NAME, 
-- the AGE column
AGE 
-- From the SUPERHEROES table
FROM SUPERHEROES

-- Select... 
SELECT 
-- the NAME column from the table, call it REAL_NAME
NAME REAL_NAME, 
-- the AGE column
AGE 
-- From the SUPERHEROES table
FROM SUPERHEROES