Create table: default int value : Create Table « Table Index « SQL / MySQL






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Create table: default int value

   
/*
mysql> Drop table Employee;

mysql> CREATE TABLE Employee
    -> (
    ->    ID SMALLINT UNSIGNED NOT NULL,
    ->    YearBorn YEAR NOT NULL,
    ->    CityBorn VARCHAR(40) NOT NULL DEFAULT 'Unknown'
    -> );
Query OK, 0 rows affected (0.11 sec)

mysql> Describe Employee;
+----------+----------------------+------+-----+---------+-------+
| Field    | Type                 | Null | Key | Default | Extra |
+----------+----------------------+------+-----+---------+-------+
| ID       | smallint(5) unsigned |      |     | 0       |       |
| YearBorn | year(4)              |      |     | 0000    |       |
| CityBorn | varchar(40)          |      |     | Unknown |       |
+----------+----------------------+------+-----+---------+-------+
3 rows in set (0.00 sec)


*/
Drop table Shelf;
  
CREATE TABLE Shelf
(
   ID SMALLINT UNSIGNED NOT NULL,
   YearBorn YEAR NOT NULL,
   NumBooks SMALLINT NOT NULL DEFAULT 1
);

Describe Shelf;








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