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Appendix A: System Functions
The character_string parameter is a Unicode string. The quote_character parameter is a one-character
string that will be used as a delimiter. The quote_character parameter can be a single quotation mark
(‘), a left or a right bracket ([]), or a double quotation mark (“) — the default is for brackets to be used.
REPLACE
The REPLACE function replaces all instances of second specified string in the first specified string with a
third specified string. The syntax is as follows:
REPLACE(‘’, ‘’, ‘’)
The string_expression1 parameter is the expression in which to search. The string_expression2
parameter is the expression to search for in string_expression1. The string_expression3 parameter
is the expression with which to replace all instances of string_expression2.
REPLICATE
The REPLICATE function repeats a character_expression a specified number of times. The syntax is
as follows:
REPLICATE(, )
REVERSE
The REVERSE function returns the reverse of the specified character_expression. The syntax is as
follows:
RIGHT
REVERSE()
The RIGHT function returns the rightmost part of the specified character_expression, starting a
specified number of characters (given by integer) from the right. The syntax is as follows:
RIGHT(, )
The integer parameter must be a positive whole number.
RTRIM
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The RTRIM function removes all the trailing blanks from a specified character_expression. The
syntax is as follows:
RTRIM()