DB2 9 & 10 for z/OS Overview

Migration Planning WorkshopSOUNDEX & DIFFERENCE Scalar Functions• Powerful scalar functions for name identification• SOUNDEXScalarFunctionsPortability– The SOUNDEX function returns a 4 character code that representsthe sound of the words in the argument.– The result can be used to compare with the sound of other strings.– The SOUNDEX function is useful for finding strings for which thesound is known but the precise spelling is not.• DIFFERENCE– A function that returns a value from 0 to 4– Represents the difference between the sounds of two strings basedon applying the SOUNDEX function to the strings.• A value of 4 is the best possible sound match.38© 2011 IBM Corporation