MariaDB

In MariaDB, CHAR() is a built-in string function that returns characters based on their code values.

CHAR() accepts one or more integers. It then returns a string consisting of the characters given by the code values of those integers.

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In MariaDB, CHR() is a built-in string function that returns a character based on the code values provided as an argument.

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In MariaDB, ORD() is a built-in string function that returns the numeric character code of the leftmost character of its string argument.

The ORD() function can handle multi-byte characters. This is in contrast to the ASCII() function, which only handles single-byte (8 bit) characters.

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In MariaDB, ASCII() is a built-in string function that returns the numeric ASCII value of the leftmost character of its string argument.

The ASCII() function only works on 8 bit characters. To get the code for multi-byte characters, use the ORD() function instead.

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