String-Manipulation Functions String-manipulation functions perform various operations on strings of characters. The string-manipulation functions are identified in the following diagram:(1)String-Manipulation Functions 1 %CONCAT Function1 1 %ASCII Function2 1 %TRIM Function3 1 4 %LTRIM Function5 1 4 %RTRIM Function6 1 %SPACE Function7 1 %REVERSE Function8 1 4 %REPLACE Function9 1 4 %LPAD Function10 1 4 %RPAD Function11 1 %CHR Function12 1 4 %Case-Conversion Functions13 1 %Substring Functions14Notes:1 See CONCAT Function2 See ASCII Function3 See TRIM Function4 HCL OneDB™ extension 5 See LTRIM Function6 See RTRIM Function7 See SPACE function8 See REVERSE function9 See REPLACE Function10 See LPAD Function11 See RPAD Function12 See CHR Function13 See Case-Conversion Functions14 See Substring functionsSections that follow describe each of the built-in string manipulation functions.