e | Message                                     |
+---------+------+---------------------------------------------+
| Warning | 1264 | Out of range value for column 'b1' at row 3 |
+---------+------+---------------------------------------------+

SELECT b1+0, HEX(b1), OCT(b1), BIN(b1) FROM b;
+------+---------+---------+----------+
| b1+0 | HEX(b1) | OCT(b1) | BIN(b1)  |
+------+---------+---------+----------+
|  255 | FF      | 377     | 11111111 |
|   85 | 55      | 125     | 1010101  |
|  255 | FF      | 377     | 11111111 |
+------+---------+---------+----------+

URL: https://mariadb.com/kb/en/bit/https://mariadb.com/kb/en/bit/