Default sort order is ascending : Sort Order « Select Clause « SQL / MySQL






Default sort order is ascending

   
/*
mysql> Drop table Bird;
Query OK, 0 rows affected (0.00 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 (0.05 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 (0.00 sec)

mysql> INSERT INTO  Bird VALUES ('RedBird','Yin','Bus','m','1998-01-30',NULL);
Query OK, 1 row affected (0.01 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> /* To sort a result, use an ORDER BY clause.
mysql>    default sort order is ascending
mysql> */
mysql> SELECT name, birth FROM Bird ORDER BY birth;
+----------+------------+
| name     | birth      |
+----------+------------+
| RedBird  | 1979-04-30 |
| RedBird  | 1998-01-30 |
| BlueBird | 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;
  


/* To sort a result, use an ORDER BY clause.
   default sort order is ascending
*/

SELECT name, birth FROM Bird ORDER BY birth;

           
         
    
    
  








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