Using an AUTO_INCREMENT Column to Create Multiple Sequences : AUTO_INCREMENT « Data Type « SQL / MySQL






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  2. Data Type
  3. AUTO_INCREMENT

Using an AUTO_INCREMENT Column to Create Multiple Sequences

       
mysql>
mysql> CREATE TABLE bug
    -> (
    ->     id INT UNSIGNED NOT NULL AUTO_INCREMENT,
    ->     name VARCHAR(30) NOT NULL, # type of bug
    ->     PRIMARY KEY (name, id),
    ->     date DATE NOT NULL, # date collected
    ->     origin VARCHAR(30) NOT NULL # where collected
    -> );
Query OK, 0 rows affected (0.01 sec)

mysql>
mysql>
mysql> drop table bug;
Query OK, 0 rows affected (0.00 sec)








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