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How can we assign a bit value as a number to a user variable?
As we know that the default type of a bit values assigned to user variables is binary strings but we can also assign a bit value to a number by using the following two methods −
By using CAST() function
With the help of CAST(… AS UNSIGNED) the bit value can be assigned a number. The following example will illustrate it −
mysql> SET @abc = CAST(0b1000011 AS UNSIGNED); Query OK, 0 rows affected (0.00 sec) mysql> Select @abc; +------+ | @abc | +------+ | 67 | +------+ 1 row in set (0.00 sec)
By adding 0(+0)
The bit value can be assigned a number by adding 0(+0) to the bit value. The following example will illustrate it −
mysql> SET @abc = 0b1000011+0; Query OK, 0 rows affected (0.00 sec) mysql> Select @abc; +------+ | @abc | +------+ | 67 | +------+ 1 row in set (0.00 sec)
Updated on: 22-Jun-2020
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