The function DIFFERENCE returns an integer that is the difference
between 2 SOUNDEX
string expressions. The return value is within the range of 0 to 4.
SQL Syntax:
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DIFFERENCE( expression1, expression2 ) |
Parameters:
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expression1
Any string expression.
expression2
Any string expression.
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Escape Syntax:
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{fn DIFFERENCE( expression1,
expression2 ) } |
Return Type:
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INT |
Examples:
SELECT DIFFERENCE( 'Schmidt', 'Schmidt'), {fn DIFFERENCE( 'Peter',
'Jonathan')}
Return Values: 4, 0
see also:
SQL String Functions
SOUNDEX
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