What is the default type of a bit value assigned to user variables?

By default, the bit values assigned to the user variables are binary strings. It can be illustrated by assigning the bit value to a user variable and then by retrieving them as follows −

mysql> SET @abc = 0b1000011;
Query OK, 0 rows affected (0.00 sec)

mysql> Select @abc;
+------+
| @abc |
+------+
| C    |
+------+
1 row in set (0.00 sec)

The above result set shows that the default type of a bit value assigned to user variables are binary strings.