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The ASCII_CHAR Function

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Syntax for the ASCII_CHAR function:

code is a numeric expression representing an ASCII value.

Rules:

• If the value of code is between 0 and 255, the function returns a single character value, i.e. CHAR(1).
• If the value of code is not between 0 and 255, the function returns NULL.
• If the value of code is NULL, then the result of the function is NULL.

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