SQLite
The SQLite connector has the Levenshtein function! A couple of examples:
SELECT LEVENSHTEIN( 'Microsoft', 'Technology Advisors, Inc.' )
Result: 21
SELECT LEVENSHTEIN( 'Technology Advisors Inc', 'Technology Advisors, Inc.' ) </source Result: 2 <source lang="mysql"> SELECT LEVENSHTEIN( 'Bob', 'Tom' )
Result: 2