Describe A Table

Create Table Of Superheroes

-- Create a table called SUPERHEROES. If it already exists, replace it.
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)
);

Insert Rows For Each Superhero

-- Insert rows into SUPERHEROES
INSERT INTO SUPERHEROES 
    -- With the values
    VALUES
    ('XF6K4', 'Chris Maki', 'The Bomber'),
    ('KD5SK', 'Donny Mav', 'Nuke Miner');

View Table Of Superheroes

-- View the SUPERHEROES table
SELECT * FROM SUPERHEROES;
ID NAME ALTER_EGO
XF6K4 Chris Maki The Bomber
KD5SK Donny Mav Nuke Miner

Describe Table Of Superheroes

-- Describe the table SUPERHEROES
DESCRIBE TABLE SUPERHEROES;
name type kind null? default primary key unique key check expression comment
ID VARCHAR(5) COLUMN Y N N
NAME VARCHAR(100) COLUMN Y N N
ALTER_EGO VARCHAR(100) COLUMN Y N N

## Describe Table Of Superheroes

-- Alternative: Describe the table SUPERHEROES
DESC TABLE SUPERHEROES;
name type kind null? default primary key unique key check expression comment
ID VARCHAR(5) COLUMN Y N N
NAME VARCHAR(100) COLUMN Y N N
ALTER_EGO VARCHAR(100) COLUMN Y N N