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What is the use of MySQL UNHEX() function?
As its name suggests, it is the opposite of HEX() function. Basically, UNHEX() function converts the hexadecimal number into the byte represented by the number. The value returned by it would be a binary string.
Syntax
UNHEX(str)
Here, str is a string which is to be converted into the byte represented by the number. The characters in the str must be a valid hexadecimal digit.
Example
mysql> Select UNHEX('5475746F7269616C73706F696E74');
+---------------------------------------+
| UNHEX('5475746F7269616C73706F696E74') |
+---------------------------------------+
| Tutorialspoint |
+---------------------------------------+
1 row in set (0.00 sec)
Updated on 20-Jun-2020 11:57:23
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