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ASCII
ASCII
Syntax
76
• If any of the arguments evaluates to NULL, the result is NULL.
Compatibility
Progress extension
Returns the ASCII value of the first character of the given character expression.
Example The following example shows how to use the ASCII function:
Notes • The argument to the function must be of type CHARACTER.
ASIN
Syntax
ASCII ( char_expression )
SELECT ASCII ( PostalCode )
FROM Customer;
• The result is of type INTEGER.
• If the argument char_expression evaluates to NULL, the result is NULL.
• The ASCII function is character-set dependent and supports multi-byte characters. The
function returns the character encoding integer value of the first character of
char_expression in the current character set. If char_expression is a literal string, the
result is determined by the character set of the SQL client. If char_expression is a
column in the database, the character set of the database determines the result.
Compatibility
ODBC compatible
Returns the arcsine of expression.
ASIN ( expression )
Example In the following example, which shows how to use the ASIN function, the first SELECT statement
returns the arcsine in degrees, and the second returns the arcsine in radians: