要将十六进制值视为数字,可以使用CAST(…AS UNSIGNED)函数。以下示例将演示它-
mysql> Select 0x54, CAST(0x54 AS UNSIGNED); +------+------------------------+ | 0x54 | CAST(0x54 AS UNSIGNED) | +------+------------------------+ | T | 84 | +------+------------------------+ 1 row in set (0.01 sec)