BIT type column : Bit « Data Types « MySQL Tutorial

1. MySQL Tutorial
2. Data Types
3. Bit

M indicates the number of bits per value, from 1 to 64.

The default is 1 if M is omitted.

mysql>
mysql> CREATE TABLE t (b BIT(8));
Query OK, 0 rows affected (0.02 sec)

mysql>
mysql> INSERT INTO t SET b = b'11111111';
Query OK, 1 row affected (0.00 sec)

mysql>
mysql> INSERT INTO t SET b = b'1010';
Query OK, 1 row affected (0.00 sec)

mysql>
mysql> select * from t;
+------+
| b    |
+------+
|     |
|
    |
+------+
2 rows in set (0.02 sec)

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