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The TAIL Function

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Syntax for the TAIL function:

source-string is a character or binary string expression.

count is an integer value expression.

Rules:

• The right-most count characters of source-string are returned.
• If count is zero, an empty string is returned.
• If count is less than zero, then the result of the function is NULL.
• If the value of either operand is NULL, then the result of the function is NULL.

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