/*
mysql> Drop table Product;
mysql> CREATE TABLE Product
-> (
-> ID SMALLINT UNSIGNED NOT NULL PRIMARY KEY,
-> ModelID SMALLINT UNSIGNED NOT NULL
-> );
Query OK, 0 rows affected (0.05 sec)
mysql> ALTER TABLE Product
-> ADD UNIQUE (ID, ModelID);
Query OK, 0 rows affected (0.15 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql> Describe Product;
+---------+----------------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+---------+----------------------+------+-----+---------+-------+
| ID | smallint(5) unsigned | | PRI | 0 | |
| ModelID | smallint(5) unsigned | | | 0 | |
+---------+----------------------+------+-----+---------+-------+
2 rows in set (0.01 sec)
*/
Drop table Product;
CREATE TABLE Product
(
ID SMALLINT UNSIGNED NOT NULL PRIMARY KEY,
ModelID SMALLINT UNSIGNED NOT NULL
);
ALTER TABLE Product
ADD UNIQUE (ID, ModelID);
Describe Product;
|