MySQL Tutorial/Data Types/TINYINT

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Insert value to TINYINT column

mysql>
mysql> CREATE TABLE myTable(
    ->    ID TINYINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    ->    Name VARCHAR(50) NOT NULL
    -> );
Query OK, 0 rows affected (0.05 sec)
mysql>
mysql>
mysql> INSERT INTO myTable (ID, Name)VALUES (1, "Ain\"t ");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> select * from myTable;
+----+--------+
| ID | Name   |
+----+--------+
|  1 | Ain"t  |
+----+--------+
1 row in set (0.00 sec)
mysql>
mysql> drop table myTable;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>


TINYINT[(M)] [UNSIGNED] [ZEROFILL]

A very small integer.

The signed range is -128 to 127.

The unsigned range is 0 to 255.



mysql>
mysql>
mysql> CREATE TABLE myTable(
    ->    ID TINYINT UNSIGNED NOT NULL DEFAULT 1,
    ->    Name VARCHAR(50) NOT NULL
    -> );
Query OK, 0 rows affected (0.03 sec)
mysql>
mysql>
mysql> INSERT INTO myTable (Name)VALUES ("A");
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> select * from myTable;
+----+------+
| ID | Name |
+----+------+
|  1 | A    |
+----+------+
1 row in set (0.00 sec)
mysql>
mysql> drop table myTable;
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql>
Источник — «http://sqle.ru/index.php?title=MySQL_Tutorial/Data_Types/TINYINT&oldid=899»