Sort columns in different directions : Sort Order « Select Clause « SQL / MySQL

1. SQL / MySQL
2. Select Clause
3. Sort Order

Sort columns in different directions

   
/*
mysql> Drop table Bird;
Query OK, 0 rows affected (0.01 sec)

mysql> CREATE TABLE Bird (
    ->     name VARCHAR(20),
    ->     owner VARCHAR(20),
    ->     species VARCHAR(20),
    ->     sex CHAR(1),
    ->     birth DATE,
    ->     death DATE
    -> );
Query OK, 0 rows affected (0.06 sec)

mysql> INSERT INTO  Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL);
Query OK, 1 row affected (0.00 sec)

mysql> INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1979-04-30',NULL);
Query OK, 1 row affected (0.01 sec)

mysql> INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1998-01-30',NULL);
Query OK, 1 row affected (0.00 sec)

mysql> select * from Bird;
+----------+-------+---------+------+------------+-------+
| name     | owner | species | sex  | birth      | death |
+----------+-------+---------+------+------------+-------+
| BlueBird | Joe   | Car     | f    | 1999-03-30 | NULL  |
| RedBird  | Yin   | Bus     | m    | 1979-04-30 | NULL  |
| RedBird  | Yin   | Bus     | m    | 1998-01-30 | NULL  |
+----------+-------+---------+------+------------+-------+
3 rows in set (0.00 sec)

mysql> SELECT name, species, birth FROM Bird
    ->       ORDER BY species, birth DESC;
+----------+---------+------------+
| name     | species | birth      |
+----------+---------+------------+
| RedBird  | Bus     | 1998-01-30 |
| RedBird  | Bus     | 1979-04-30 |
| BlueBird | Car     | 1999-03-30 |
+----------+---------+------------+
3 rows in set (0.00 sec)


*/  
Drop table Bird;

CREATE TABLE Bird (
    name VARCHAR(20), 
    owner VARCHAR(20),
    species VARCHAR(20), 
    sex CHAR(1), 
    birth DATE, 
    death DATE
);
  
INSERT INTO  Bird VALUES ('BlueBird','Joe','Car','f','1999-03-30',NULL);
INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1979-04-30',NULL);
INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1998-01-30',NULL);
  
select * from Bird;

 
SELECT name, species, birth FROM Bird
      ORDER BY species, birth DESC;
           
         
    
    
  

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