Create table: default value for column : Create Table « Table Index « SQL / MySQL






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Create table: default value for column

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

mysql> CREATE TABLE Books
    -> (
    ->    ID SMALLINT NOT NULL,
    ->    Name VARCHAR(40) NOT NULL,
    ->    PubID SMALLINT NOT NULL DEFAULT 'Unknown'
    -> )
    -> ENGINE=INNODB;
Query OK, 0 rows affected (0.09 sec)

mysql> Describe Books;
+-------+-------------+------+-----+---------+-------+
| Field | Type        | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| ID    | smallint(6) |      |     | 0       |       |
| Name  | varchar(40) |      |     |         |       |
| PubID | smallint(6) |      |     | 0       |       |
+-------+-------------+------+-----+---------+-------+
3 rows in set (0.00 sec)


*/
Drop table Books;

CREATE TABLE Books
(
   ID SMALLINT NOT NULL,
   Name VARCHAR(40) NOT NULL,
   PubID SMALLINT NOT NULL DEFAULT 'Unknown'
)
ENGINE=INNODB;

Describe Books;








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